Corrected documentation about triggers values in SDL_GameControllerGetAxis(). Fixes Bugzilla #2319.
diff --git a/include/SDL_gamecontroller.h b/include/SDL_gamecontroller.h
index 9df526a..5c9082c 100644
--- a/include/SDL_gamecontroller.h
+++ b/include/SDL_gamecontroller.h
@@ -241,7 +241,8 @@ SDL_GameControllerGetBindForAxis(SDL_GameController *gamecontroller,
/**
* Get the current state of an axis control on a game controller.
*
- * The state is a value ranging from -32768 to 32767.
+ * The state is a value ranging from -32768 to 32767 (except for the triggers,
+ * which range from 0 to 32767).
*
* The axis indices start at index 0.
*/