|`KC_LGUI` |`KC_LCMD`, `KC_LWIN`|Left GUI (Windows/Command/Meta key) |
|`KC_RCTRL` |`KC_RCTL` |Right Control |
|`KC_RSHIFT` |`KC_RSFT` |Right Shift |
-|`KC_RALT` | |Right Alt |
+|`KC_RALT` |`KC_ALGR` |Right Alt (AltGr) |
|`KC_RGUI` |`KC_RCMD`, `KC_RWIN`|Right GUI (Windows/Command/Meta key) |
|`KC_SYSTEM_POWER` |`KC_PWR` |System Power Down |
|`KC_SYSTEM_SLEEP` |`KC_SLEP` |System Sleep |
|`KC_WWW_FAVORITES` |`KC_WFAV` |Browser Favorites (Windows) |
|`KC_MEDIA_FAST_FORWARD`|`KC_MFFD` |Next Track (macOS) |
|`KC_MEDIA_REWIND` |`KC_MRWD` |Previous Track (macOS) |
+|`KC_BRIGHTNESS_UP` |`KC_BRIU` |Brightness Up |
+|`KC_BRIGHTNESS_DOWN` |`KC_BRID` |Brightness Down |
## [Quantum Keycodes](quantum_keycodes.md#qmk-keycodes)
|`LGUI(kc)`|`LCMD(kc)`, `LWIN(kc)`|Hold Left GUI and press `kc` |
|`RCTL(kc)`| |Hold Right Control and press `kc` |
|`RSFT(kc)`| |Hold Right Shift and press `kc` |
-|`RALT(kc)`| |Hold Right Alt and press `kc` |
+|`RALT(kc)`|`ALGR(kc)` |Hold Right Alt and press `kc` |
|`RGUI(kc)`|`RCMD(kc)`, `LWIN(kc)`|Hold Right GUI and press `kc` |
|`HYPR(kc)`| |Hold Left Control, Shift, Alt and GUI and press `kc`|
|`MEH(kc)` | |Hold Left Control, Shift and Alt and press `kc` |