diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 72ec272b4d999..9f62062c7c8e2 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -341,7 +341,7 @@
 
 /**
  * "Mixing Extruder"
- *   - Adds G-codes M163 and M164 to set and "commit" the current mix factors.
+ *   - Adds G-codes M163/M164 to set and "commit" the current mix factors.
  *   - Extends the stepping routines to move multiple steppers in proportion to the mix.
  *   - Optional support for Repetier Firmware's 'M164 S<index>' supporting virtual tools.
  *   - This implementation supports up to two mixing extruders.
diff --git a/Marlin/Configuration_adv.h b/Marlin/Configuration_adv.h
index 95e680a6d43d2..273d46f320f0b 100644
--- a/Marlin/Configuration_adv.h
+++ b/Marlin/Configuration_adv.h
@@ -3581,13 +3581,13 @@
                                                //  (250000 / SPINDLE_LASER_FREQUENCY) = max value.
   #endif
 
-  //#define AIR_EVACUATION                     // Cutter Vacuum / Laser Blower motor control with G-codes M10-M11
+  //#define AIR_EVACUATION                     // Cutter Vacuum / Laser Blower motor control with G-codes M10/M11
   #if ENABLED(AIR_EVACUATION)
     #define AIR_EVACUATION_ACTIVE       LOW    // Set to "HIGH" if the on/off function is active HIGH
     //#define AIR_EVACUATION_PIN        42     // Override the default Cutter Vacuum or Laser Blower pin
   #endif
 
-  //#define AIR_ASSIST                         // Air Assist control with G-codes M8-M9
+  //#define AIR_ASSIST                         // Air Assist control with G-codes M8/M9
   #if ENABLED(AIR_ASSIST)
     #define AIR_ASSIST_ACTIVE           LOW    // Active state on air assist pin
     //#define AIR_ASSIST_PIN            44     // Override the default Air Assist pin
diff --git a/Marlin/src/gcode/control/M10-M11.cpp b/Marlin/src/gcode/control/M10_M11.cpp
similarity index 100%
rename from Marlin/src/gcode/control/M10-M11.cpp
rename to Marlin/src/gcode/control/M10_M11.cpp