diff --git a/inc/thorvg.h b/inc/thorvg.h
index 9a5ad2f9..30cb5fda 100644
--- a/inc/thorvg.h
+++ b/inc/thorvg.h
@@ -1847,7 +1847,9 @@ public:
      * @brief Sets the drawing target for the rasterization.
      *
      * @param[in] instance WGPUInstance, context for all other wgpu objects.
-     * @param[in] surace WGPUSurface, handle to a presentable surface.
+     * @param[in] surface WGPUSurface, handle to a presentable surface.
+     * @param[in] w The width of the surface.
+     * @param[in] h The height of the surface.
      *
      * @retval Result::InsufficientCondition if the canvas is performing rendering. Please ensure the canvas is synced.
      * @retval Result::NonSupport In case the wg engine is not supported.