Improved keycode documentation
diff --git a/include/SDL3/SDL_keycode.h b/include/SDL3/SDL_keycode.h
index a8b1378..43c7a52 100644
--- a/include/SDL3/SDL_keycode.h
+++ b/include/SDL3/SDL_keycode.h
@@ -45,11 +45,13 @@
* `SDLK_*` constant for those keys that do not generate characters.
*
* A special exception is the number keys at the top of the keyboard which map
- * to SDLK_0...SDLK_9 on AZERTY layouts.
+ * by default to SDLK_0...SDLK_9 on AZERTY layouts.
*
* Keys with the `SDLK_EXTENDED_MASK` bit set do not map to a scancode or
* unicode code point.
*
+ * Many common keycodes are listed below, but this list is not exhaustive.
+ *
* \since This datatype is available since SDL 3.2.0.
*
* \sa SDL_HINT_KEYCODE_OPTIONS