2 files changed, 2 insertions, 1 deletions

diff --git a/keyboards/planck/rev6/config.h b/keyboards/planck/rev6/config.h
index 3cea2e721..3fbbae027 100644
--- a/keyboards/planck/rev6/config.h
+++ b/keyboards/planck/rev6/config.h
@@ -53,6 +53,7 @@
 
 #define MUSIC_MAP
 #undef AUDIO_VOICES
+// Note: following undef isn't really necessary on STM32, C6_AUDIO is AVR related
 #undef C6_AUDIO
 
 /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
diff --git a/keyboards/planck/rev6/rules.mk b/keyboards/planck/rev6/rules.mk
index 49f6088c3..d101f36d6 100644
--- a/keyboards/planck/rev6/rules.mk
+++ b/keyboards/planck/rev6/rules.mk
@@ -14,7 +14,7 @@ COMMAND_ENABLE = yes       # Commands for debug and configuration
 NKRO_ENABLE = yes            # Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
 BACKLIGHT_ENABLE = no      # Enable keyboard backlight functionality
 MIDI_ENABLE = no            # MIDI controls
-AUDIO_ENABLE = yes           # Audio output on port C6
+AUDIO_ENABLE = yes           # Audio output
 UNICODE_ENABLE = no         # Unicode
 BLUETOOTH_ENABLE = no       # Enable Bluetooth with the Adafruit EZ-Key HID
 RGBLIGHT_ENABLE = yes        # Enable WS2812 RGB underlight.