diff --git a/Marlin/ConfigurationStore.cpp b/Marlin/ConfigurationStore.cpp
index 36d405e22..7c7c9cff1 100644
--- a/Marlin/ConfigurationStore.cpp
+++ b/Marlin/ConfigurationStore.cpp
@@ -288,7 +288,7 @@ SERIAL_ECHOLNPGM("Scaling factors:");
 #endif//FWRETRACT
 #ifdef CUSTOM_M_CODES
   SERIAL_ECHO_START;
-  SERIAL_ECHOLNPGM("Z-Probe Offset");
+  SERIAL_ECHOLNPGM("Z-Probe Offset (mm):");
   SERIAL_ECHO_START;
   SERIAL_ECHO("   M");
   SERIAL_ECHO(CUSTOM_M_CODE_SET_Z_PROBE_OFFSET);