Added note for Android 12 API level
diff --git a/include/SDL_system.h b/include/SDL_system.h
index 423c4c3..8910d3f 100644
--- a/include/SDL_system.h
+++ b/include/SDL_system.h
@@ -262,6 +262,7 @@ extern DECLSPEC void * SDLCALL SDL_AndroidGetActivity(void);
/**
* Query Android API level of the current device.
*
+ * - API level 31: Android 12
* - API level 30: Android 11
* - API level 29: Android 10
* - API level 28: Android 9