Note that texture contents are undefined when the texture is created.
diff --git a/include/SDL_render.h b/include/SDL_render.h
index 56341b4..ea6ef9f 100644
--- a/include/SDL_render.h
+++ b/include/SDL_render.h
@@ -233,6 +233,8 @@ extern DECLSPEC int SDLCALL SDL_GetRendererOutputSize(SDL_Renderer * renderer,
* active, the format was unsupported, or the width or height were out
* of range.
*
+ * \note The contents of the texture are not defined at creation.
+ *
* \sa SDL_QueryTexture()
* \sa SDL_UpdateTexture()
* \sa SDL_DestroyTexture()