diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index eb4c5af5ed..b5af01cc7e 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -775,7 +775,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/Felix/Configuration.h b/Marlin/example_configurations/Felix/Configuration.h
index 763bed2163..f4e8e8d703 100644
--- a/Marlin/example_configurations/Felix/Configuration.h
+++ b/Marlin/example_configurations/Felix/Configuration.h
@@ -758,7 +758,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/Felix/Configuration_DUAL.h b/Marlin/example_configurations/Felix/Configuration_DUAL.h
index cfa4d638bf..92a9a2818f 100644
--- a/Marlin/example_configurations/Felix/Configuration_DUAL.h
+++ b/Marlin/example_configurations/Felix/Configuration_DUAL.h
@@ -755,7 +755,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/Hephestos/Configuration.h b/Marlin/example_configurations/Hephestos/Configuration.h
index 85a8e3a17a..18cb8bd3bc 100644
--- a/Marlin/example_configurations/Hephestos/Configuration.h
+++ b/Marlin/example_configurations/Hephestos/Configuration.h
@@ -767,7 +767,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/Hephestos_2/Configuration.h b/Marlin/example_configurations/Hephestos_2/Configuration.h
index 1f4ed19cf2..f735740dd6 100644
--- a/Marlin/example_configurations/Hephestos_2/Configuration.h
+++ b/Marlin/example_configurations/Hephestos_2/Configuration.h
@@ -769,7 +769,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/K8200/Configuration.h b/Marlin/example_configurations/K8200/Configuration.h
index a4c841428c..8ec46cf080 100644
--- a/Marlin/example_configurations/K8200/Configuration.h
+++ b/Marlin/example_configurations/K8200/Configuration.h
@@ -792,7 +792,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 #define ULTIMAKERCONTROLLER // K8200: for Display VM8201 // as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
index eeae0bde37..68a1d84421 100644
--- a/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
+++ b/Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h
@@ -775,7 +775,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/RigidBot/Configuration.h b/Marlin/example_configurations/RigidBot/Configuration.h
index 524e0a7107..59b95b57c4 100644
--- a/Marlin/example_configurations/RigidBot/Configuration.h
+++ b/Marlin/example_configurations/RigidBot/Configuration.h
@@ -770,7 +770,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/SCARA/Configuration.h b/Marlin/example_configurations/SCARA/Configuration.h
index 0e7dc097fc..e9232b6d72 100644
--- a/Marlin/example_configurations/SCARA/Configuration.h
+++ b/Marlin/example_configurations/SCARA/Configuration.h
@@ -783,7 +783,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/TAZ4/Configuration.h b/Marlin/example_configurations/TAZ4/Configuration.h
index c58bd7f8c8..c6111c24fe 100644
--- a/Marlin/example_configurations/TAZ4/Configuration.h
+++ b/Marlin/example_configurations/TAZ4/Configuration.h
@@ -796,7 +796,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/WITBOX/Configuration.h b/Marlin/example_configurations/WITBOX/Configuration.h
index a1fbec4511..51269eb1b7 100644
--- a/Marlin/example_configurations/WITBOX/Configuration.h
+++ b/Marlin/example_configurations/WITBOX/Configuration.h
@@ -767,7 +767,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/adafruit/ST7565/Configuration.h b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
index 5502400624..34e86be9c9 100644
--- a/Marlin/example_configurations/adafruit/ST7565/Configuration.h
+++ b/Marlin/example_configurations/adafruit/ST7565/Configuration.h
@@ -775,7 +775,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/delta/biv2.5/Configuration.h b/Marlin/example_configurations/delta/biv2.5/Configuration.h
index 9d7e62a890..37a82b5c35 100644
--- a/Marlin/example_configurations/delta/biv2.5/Configuration.h
+++ b/Marlin/example_configurations/delta/biv2.5/Configuration.h
@@ -897,7 +897,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/delta/generic/Configuration.h b/Marlin/example_configurations/delta/generic/Configuration.h
index ce603a6903..093f8b869c 100644
--- a/Marlin/example_configurations/delta/generic/Configuration.h
+++ b/Marlin/example_configurations/delta/generic/Configuration.h
@@ -897,7 +897,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/delta/kossel_mini/Configuration.h b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
index d3cc727b81..59d9384699 100644
--- a/Marlin/example_configurations/delta/kossel_mini/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_mini/Configuration.h
@@ -901,7 +901,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/delta/kossel_pro/Configuration.h b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
index 69d7572dc9..b0a245ff96 100644
--- a/Marlin/example_configurations/delta/kossel_pro/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_pro/Configuration.h
@@ -894,7 +894,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/delta/kossel_xl/Configuration.h b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
index 75248fbf39..c7947f90e2 100644
--- a/Marlin/example_configurations/delta/kossel_xl/Configuration.h
+++ b/Marlin/example_configurations/delta/kossel_xl/Configuration.h
@@ -811,7 +811,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/makibox/Configuration.h b/Marlin/example_configurations/makibox/Configuration.h
index fe797af160..bcb7ab038f 100644
--- a/Marlin/example_configurations/makibox/Configuration.h
+++ b/Marlin/example_configurations/makibox/Configuration.h
@@ -778,7 +778,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = false; // set to true to invert the l
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>
diff --git a/Marlin/example_configurations/tvrrug/Round2/Configuration.h b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
index 4b7ff44e9c..d7d9cb95a0 100644
--- a/Marlin/example_configurations/tvrrug/Round2/Configuration.h
+++ b/Marlin/example_configurations/tvrrug/Round2/Configuration.h
@@ -769,7 +769,7 @@ const bool Z_MIN_PROBE_ENDSTOP_INVERTING = true; // set to true to invert the lo
 //#define REVERSE_MENU_DIRECTION // When enabled CLOCKWISE moves UP in the LCD menu
 //#define ULTIMAKERCONTROLLER //as available from the Ultimaker online store.
 //#define ULTIPANEL  //the UltiPanel as on Thingiverse
-//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with his own frequency.
+//#define SPEAKER // The sound device is a speaker - not a buzzer. A buzzer resonates with a fixed frequency.
 //#define LCD_FEEDBACK_FREQUENCY_DURATION_MS 100 // the duration the buzzer plays the UI feedback sound. ie Screen Click
 //#define LCD_FEEDBACK_FREQUENCY_HZ 1000         // this is the tone frequency the buzzer plays when on UI feedback. ie Screen Click
                                                  // 0 to disable buzzer feedback. Test with M300 S<frequency Hz> P<duration ms>