Corrected documentation of the SDL_CreateTexture() functions in header file.
diff --git a/include/SDL_render.h b/include/SDL_render.h
index b73d6e6..de2749c 100644
--- a/include/SDL_render.h
+++ b/include/SDL_render.h
@@ -229,7 +229,7 @@ extern DECLSPEC int SDLCALL SDL_GetRendererOutputSize(SDL_Renderer * renderer,
* \param w The width of the texture in pixels.
* \param h The height of the texture in pixels.
*
- * \return The created texture is returned, or 0 if no rendering context was
+ * \return The created texture is returned, or NULL if no rendering context was
* active, the format was unsupported, or the width or height were out
* of range.
*
@@ -248,7 +248,7 @@ extern DECLSPEC SDL_Texture * SDLCALL SDL_CreateTexture(SDL_Renderer * renderer,
* \param renderer The renderer.
* \param surface The surface containing pixel data used to fill the texture.
*
- * \return The created texture is returned, or 0 on error.
+ * \return The created texture is returned, or NULL on error.
*
* \note The surface is not modified or freed by this function.
*