diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index b3b8dc1c9..08c414821 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/default/Configuration.h b/Marlin/src/config/default/Configuration.h
index b3b8dc1c9..08c414821 100644
--- a/Marlin/src/config/default/Configuration.h
+++ b/Marlin/src/config/default/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h
index 73ebca84c..443ea8645 100644
--- a/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h
+++ b/Marlin/src/config/examples/AlephObjects/TAZ4/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h b/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h
index 56745f364..bd4b02bc5 100644
--- a/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h
+++ b/Marlin/src/config/examples/AliExpress/CL-260/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Anet/A6/Configuration.h b/Marlin/src/config/examples/Anet/A6/Configuration.h
index b23194476..f2a3df5d7 100644
--- a/Marlin/src/config/examples/Anet/A6/Configuration.h
+++ b/Marlin/src/config/examples/Anet/A6/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Anet/A8/Configuration.h b/Marlin/src/config/examples/Anet/A8/Configuration.h
index fbd79e19f..dbcf8ba0b 100644
--- a/Marlin/src/config/examples/Anet/A8/Configuration.h
+++ b/Marlin/src/config/examples/Anet/A8/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h b/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h
index bde7f65b1..635479283 100644
--- a/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h
+++ b/Marlin/src/config/examples/Azteeg/X5GT/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h
index 90e3349ca..4a323e80e 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h
index 3681bd44f..73a0ed8d7 100644
--- a/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h
+++ b/Marlin/src/config/examples/BIBO/TouchX/default/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BQ/Hephestos/Configuration.h b/Marlin/src/config/examples/BQ/Hephestos/Configuration.h
index 9ed041ab3..ec5a55a40 100644
--- a/Marlin/src/config/examples/BQ/Hephestos/Configuration.h
+++ b/Marlin/src/config/examples/BQ/Hephestos/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h
index dab11f0f9..ac5c7f348 100644
--- a/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h
+++ b/Marlin/src/config/examples/BQ/Hephestos_2/Configuration.h
@@ -108,7 +108,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/BQ/WITBOX/Configuration.h b/Marlin/src/config/examples/BQ/WITBOX/Configuration.h
index 8b49d048a..b6ec78769 100644
--- a/Marlin/src/config/examples/BQ/WITBOX/Configuration.h
+++ b/Marlin/src/config/examples/BQ/WITBOX/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Cartesio/Configuration.h b/Marlin/src/config/examples/Cartesio/Configuration.h
index 01835a4f0..db6f60266 100644
--- a/Marlin/src/config/examples/Cartesio/Configuration.h
+++ b/Marlin/src/config/examples/Cartesio/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Creality/CR-10/Configuration.h b/Marlin/src/config/examples/Creality/CR-10/Configuration.h
index 181111e98..584dd627c 100755
--- a/Marlin/src/config/examples/Creality/CR-10/Configuration.h
+++ b/Marlin/src/config/examples/Creality/CR-10/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Felix/Configuration.h b/Marlin/src/config/examples/Felix/Configuration.h
index 9888a2356..5278b2188 100644
--- a/Marlin/src/config/examples/Felix/Configuration.h
+++ b/Marlin/src/config/examples/Felix/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Felix/DUAL/Configuration.h b/Marlin/src/config/examples/Felix/DUAL/Configuration.h
index 0f667523d..a3663b823 100644
--- a/Marlin/src/config/examples/Felix/DUAL/Configuration.h
+++ b/Marlin/src/config/examples/Felix/DUAL/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h
index bc5744678..2fc6ee55f 100644
--- a/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h
+++ b/Marlin/src/config/examples/FolgerTech/i3-2020/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h b/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h
index d66b519e5..ed7466da0 100644
--- a/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h
+++ b/Marlin/src/config/examples/Geeetech/GT2560/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h b/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h
index 7f658a846..35bf81dfc 100644
--- a/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h
+++ b/Marlin/src/config/examples/Geeetech/I3_Pro_X-GT2560/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h
index 5c4672cb2..ecd3f4a1e 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/bltouch/Configuration.h	
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h
index 6a0ea1e8b..02120488a 100644
--- a/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h	
+++ b/Marlin/src/config/examples/Geeetech/Prusa i3 Pro B/noprobe/Configuration.h	
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h b/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h
index 01d7b036d..bdbdd76b2 100644
--- a/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h
+++ b/Marlin/src/config/examples/Infitary/i3-M508/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/JGAurora/A5/Configuration.h b/Marlin/src/config/examples/JGAurora/A5/Configuration.h
index ee582782a..dd077bc0c 100644
--- a/Marlin/src/config/examples/JGAurora/A5/Configuration.h
+++ b/Marlin/src/config/examples/JGAurora/A5/Configuration.h
@@ -114,7 +114,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/MakerParts/Configuration.h b/Marlin/src/config/examples/MakerParts/Configuration.h
index 54c56a752..75cd38829 100644
--- a/Marlin/src/config/examples/MakerParts/Configuration.h
+++ b/Marlin/src/config/examples/MakerParts/Configuration.h
@@ -129,7 +129,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Malyan/M150/Configuration.h b/Marlin/src/config/examples/Malyan/M150/Configuration.h
index d5b011d0f..e22748558 100644
--- a/Marlin/src/config/examples/Malyan/M150/Configuration.h
+++ b/Marlin/src/config/examples/Malyan/M150/Configuration.h
@@ -114,7 +114,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Malyan/M200/Configuration.h b/Marlin/src/config/examples/Malyan/M200/Configuration.h
index f33f6a064..c1d508ac9 100644
--- a/Marlin/src/config/examples/Malyan/M200/Configuration.h
+++ b/Marlin/src/config/examples/Malyan/M200/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h b/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h
index cb0024891..554a06590 100644
--- a/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h
+++ b/Marlin/src/config/examples/Micromake/C1/basic/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h
index 0130dc48e..470209cbf 100644
--- a/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h
+++ b/Marlin/src/config/examples/Micromake/C1/enhanced/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Mks/Sbase/Configuration.h b/Marlin/src/config/examples/Mks/Sbase/Configuration.h
index 1201952f1..8a04371d9 100644
--- a/Marlin/src/config/examples/Mks/Sbase/Configuration.h
+++ b/Marlin/src/config/examples/Mks/Sbase/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h b/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h
index 975281b1b..320201395 100644
--- a/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/src/config/examples/RepRapWorld/Megatronics/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/RigidBot/Configuration.h b/Marlin/src/config/examples/RigidBot/Configuration.h
index be5ef3e98..59da245b6 100644
--- a/Marlin/src/config/examples/RigidBot/Configuration.h
+++ b/Marlin/src/config/examples/RigidBot/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/SCARA/Configuration.h b/Marlin/src/config/examples/SCARA/Configuration.h
index e00ae3bba..7d4091b1e 100644
--- a/Marlin/src/config/examples/SCARA/Configuration.h
+++ b/Marlin/src/config/examples/SCARA/Configuration.h
@@ -139,7 +139,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/STM32F10/Configuration.h b/Marlin/src/config/examples/STM32F10/Configuration.h
index 2d4a43f46..e2ca0ccc4 100644
--- a/Marlin/src/config/examples/STM32F10/Configuration.h
+++ b/Marlin/src/config/examples/STM32F10/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Sanguinololu/Configuration.h b/Marlin/src/config/examples/Sanguinololu/Configuration.h
index 73fae70b0..b26b6adc4 100644
--- a/Marlin/src/config/examples/Sanguinololu/Configuration.h
+++ b/Marlin/src/config/examples/Sanguinololu/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/TheBorg/Configuration.h b/Marlin/src/config/examples/TheBorg/Configuration.h
index ef3cdedb3..b4b25d54d 100644
--- a/Marlin/src/config/examples/TheBorg/Configuration.h
+++ b/Marlin/src/config/examples/TheBorg/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/TinyBoy2/Configuration.h b/Marlin/src/config/examples/TinyBoy2/Configuration.h
index fa2f292a9..0378ed8f4 100644
--- a/Marlin/src/config/examples/TinyBoy2/Configuration.h
+++ b/Marlin/src/config/examples/TinyBoy2/Configuration.h
@@ -125,7 +125,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Tronxy/X5S/Configuration.h b/Marlin/src/config/examples/Tronxy/X5S/Configuration.h
index c97b346ef..86dd52dff 100644
--- a/Marlin/src/config/examples/Tronxy/X5S/Configuration.h
+++ b/Marlin/src/config/examples/Tronxy/X5S/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Velleman/K8200/Configuration.h b/Marlin/src/config/examples/Velleman/K8200/Configuration.h
index 463c8dba3..ce3dbe7b0 100644
--- a/Marlin/src/config/examples/Velleman/K8200/Configuration.h
+++ b/Marlin/src/config/examples/Velleman/K8200/Configuration.h
@@ -125,7 +125,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Velleman/K8400/Configuration.h b/Marlin/src/config/examples/Velleman/K8400/Configuration.h
index 3f0ca5150..3841350fa 100644
--- a/Marlin/src/config/examples/Velleman/K8400/Configuration.h
+++ b/Marlin/src/config/examples/Velleman/K8400/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h b/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h
index 7dbe74aa4..5bc9aa88d 100644
--- a/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h
+++ b/Marlin/src/config/examples/Velleman/K8400/Dual-head/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/adafruit/ST7565/Configuration.h b/Marlin/src/config/examples/adafruit/ST7565/Configuration.h
index 80b8fb936..b822d6c36 100644
--- a/Marlin/src/config/examples/adafruit/ST7565/Configuration.h
+++ b/Marlin/src/config/examples/adafruit/ST7565/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
index e0812e38e..0fa3f617b 100644
--- a/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
+++ b/Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
index f9589fd54..68ae49633 100644
--- a/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
+++ b/Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/generic/Configuration.h b/Marlin/src/config/examples/delta/generic/Configuration.h
index 0cdb0d854..274b716e0 100644
--- a/Marlin/src/config/examples/delta/generic/Configuration.h
+++ b/Marlin/src/config/examples/delta/generic/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/kossel_mini/Configuration.h b/Marlin/src/config/examples/delta/kossel_mini/Configuration.h
index 324739d6f..e882dcffe 100644
--- a/Marlin/src/config/examples/delta/kossel_mini/Configuration.h
+++ b/Marlin/src/config/examples/delta/kossel_mini/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/kossel_pro/Configuration.h b/Marlin/src/config/examples/delta/kossel_pro/Configuration.h
index 31584bcb3..305df1978 100644
--- a/Marlin/src/config/examples/delta/kossel_pro/Configuration.h
+++ b/Marlin/src/config/examples/delta/kossel_pro/Configuration.h
@@ -113,7 +113,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/delta/kossel_xl/Configuration.h b/Marlin/src/config/examples/delta/kossel_xl/Configuration.h
index ae71210b6..bdf931720 100644
--- a/Marlin/src/config/examples/delta/kossel_xl/Configuration.h
+++ b/Marlin/src/config/examples/delta/kossel_xl/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h
index 6f8e1ec4f..e6e46ed4c 100644
--- a/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h
+++ b/Marlin/src/config/examples/gCreate/gMax1.5+/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/makibox/Configuration.h b/Marlin/src/config/examples/makibox/Configuration.h
index 232bc3f55..cb9675b1a 100644
--- a/Marlin/src/config/examples/makibox/Configuration.h
+++ b/Marlin/src/config/examples/makibox/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/stm32f103ret6/Configuration.h b/Marlin/src/config/examples/stm32f103ret6/Configuration.h
index 40e9a85a1..cb99eb4e8 100644
--- a/Marlin/src/config/examples/stm32f103ret6/Configuration.h
+++ b/Marlin/src/config/examples/stm32f103ret6/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/tvrrug/Round2/Configuration.h b/Marlin/src/config/examples/tvrrug/Round2/Configuration.h
index 1b18cb319..c1c3b2577 100644
--- a/Marlin/src/config/examples/tvrrug/Round2/Configuration.h
+++ b/Marlin/src/config/examples/tvrrug/Round2/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
diff --git a/Marlin/src/config/examples/wt150/Configuration.h b/Marlin/src/config/examples/wt150/Configuration.h
index d5e5ecff6..7594dd70f 100644
--- a/Marlin/src/config/examples/wt150/Configuration.h
+++ b/Marlin/src/config/examples/wt150/Configuration.h
@@ -109,7 +109,7 @@
 /**
  * Select a secondary serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if avaialble.
+ * Serial port -1 is the USB emulated serial port, if available.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */