* @param[in] policy The method specifying the Memory Pool behavior. The default value is @c MempoolPolicy::Default.
*
* @retval Result::Success When succeed.
- * @retval Result::InsufficientCondition If the canvas has no paints.
+ * @retval Result::InsufficientCondition If the canvas contains some paints already.
* @retval Result::NonSupport In case the software engine is not supported.
*
* @note When @c policy is set as @c MempoolPolicy::Individual, the current instance of canvas uses its own individual
* \return Tvg_Result enumeration.
* \retval TVG_RESULT_SUCCESS Succeed.
* \retval TVG_RESULT_MEMORY_CORRUPTION Casting in the internal function implementation failed.
-* \retval TVG_RESULT_INVALID_ARGUMENTS An invalid buffer pointer passed or one of the @p stride, @p w or @p h being zero.
+* \retval TVG_RESULT_INVALID_ARGUMENTS An invalid canvas or buffer pointer passed or one of the @p stride, @p w or @p h being zero.
* \retval TVG_RESULT_NOT_SUPPORTED The software engine is not supported.
*
* \warning Do not access @p buffer during tvg_canvas_draw() - tvg_canvas_sync(). It should not be accessed while TVG is writing on it.