diff --git a/include/SDL_main.h b/include/SDL_main.h
index ea1213610..1af74e92d 100644
--- a/include/SDL_main.h
+++ b/include/SDL_main.h
@@ -245,6 +245,8 @@ extern DECLSPEC int SDLCALL SDL_UIKitRunApp(int argc, char *argv[], SDL_main_fun
  * \param reserved reserved for future use; should be NULL
  * \returns 0 on success or -1 on failure; call SDL_GetError() to retrieve
  *          more information on the failure.
+ *
+ * \since This function is available since SDL 2.24.0.
  */
 extern DECLSPEC int SDLCALL SDL_GDKRunApp(SDL_main_func mainFunction, void *reserved);
 
diff --git a/include/SDL_system.h b/include/SDL_system.h
index 6780876b2..0edca635b 100644
--- a/include/SDL_system.h
+++ b/include/SDL_system.h
@@ -598,13 +598,15 @@ typedef struct XTaskQueueObject * XTaskQueueHandle;
 /**
  * Gets a reference to the global async task queue handle for GDK,
  * initializing if needed.
- * 
- * Once you are done with the task queue, you should call XTaskQueueCloseHandle
- * to reduce the reference count to avoid a resource leak.
- * 
+ *
+ * Once you are done with the task queue, you should call
+ * XTaskQueueCloseHandle to reduce the reference count to avoid a resource
+ * leak.
+ *
  * \param outTaskQueue a pointer to be filled in with task queue handle.
  * \returns 0 if success, -1 if any error occurs.
- * 
+ *
+ * \since This function is available since SDL 2.24.0.
  */
 extern DECLSPEC int SDLCALL SDL_GDKGetTaskQueue(XTaskQueueHandle * outTaskQueue);