Fixed typo in the name of the SDL_GetAppMetadataProperty function in the description of the SDL_SetAppMetadataProperty function

include/SDL3/SDL_init.h

@@ -292,7 +292,7 @@ extern SDL_DECLSPEC bool SDLCALL SDL_SetAppMetadata(const char *appname, const c
  * Multiple calls to this function are allowed, but various state might not
  * change once it has been set up with a previous call to this function.
  *
- * Once set, this metadata can be read using SDL_GetMetadataProperty().
+ * Once set, this metadata can be read using SDL_GetAppMetadataProperty().
  *
  * These are the supported properties:
  *