diff --git a/Marlin/src/gcode/bedlevel/ubl/M49.cpp b/Marlin/src/gcode/bedlevel/ubl/M49.cpp
index cdb0cf0ed..b83ffad61 100644
--- a/Marlin/src/gcode/bedlevel/ubl/M49.cpp
+++ b/Marlin/src/gcode/bedlevel/ubl/M49.cpp
@@ -33,8 +33,8 @@
 
 void GcodeSuite::M49() {
   g26_debug_flag ^= true;
-  SERIAL_PROTOCOLPGM("G26 Debug ");
-  serialprintPGM(g26_debug_flag ? PSTR("on.") : PSTR("off."));
+  SERIAL_PROTOCOLPGM("G26 Debug: ");
+  serialprintPGM(g26_debug_flag ? PSTR("On\n") : PSTR("Off\n"));
 }
 
 #endif // G26_MESH_VALIDATION