kc3-lang/SDL

diff --git a/include/SDL_render.h b/include/SDL_render.h
index a7e4908..c33094d 100644
--- a/include/SDL_render.h
+++ b/include/SDL_render.h
@@ -356,11 +356,15 @@ extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTextureFromSurface(SDL_Renderer 
  * \param texture the texture to query
  * \param format a pointer filled in with the raw format of the texture; the
  *               actual format may differ, but pixel transfers will use this
- *               format (one of the SDL_PixelFormatEnum values)
+ *               format (one of the SDL_PixelFormatEnum values). This argument
+ *               can be NULL if you don't need this information.
  * \param access a pointer filled in with the actual access to the texture
- *               (one of the SDL_TextureAccess values)
- * \param w a pointer filled in with the width of the texture in pixels
- * \param h a pointer filled in with the height of the texture in pixels
+ *               (one of the SDL_TextureAccess values). This argument can be
+ *               NULL if you don't need this information.
+ * \param w a pointer filled in with the width of the texture in pixels. This
+ *          argument can be NULL if you don't need this information.
+ * \param h a pointer filled in with the height of the texture in pixels. This
+ *          argument can be NULL if you don't need this information.
  * \returns 0 on success or a negative error code on failure; call
  *          SDL_GetError() for more information.
  *