fix function description

Change-Id: Ida3819b5e4873e1cac136831f72f24dbcd9b76d1

diff --git a/include/tdm_backend.h b/include/tdm_backend.h
index c7328ec..0cfc3cd 100644 (file)
--- a/include/tdm_backend.h
+++ b/include/tdm_backend.h
@@ -596,7 +596,7 @@ typedef struct _tdm_func_layer {
         * @return #TDM_ERROR_NONE if success. Otherwise, error value.
         * @see output_commit() function of #tdm_func_output
         * @remark
-        * A backend module would apply a TDM buffer when the output object
+        * A backend module would show a TDM buffer on screen when the output object
         * of a layer object is committed.
         */
        tdm_error (*layer_set_buffer)(tdm_layer *layer, tbm_surface_h buffer);
@@ -606,8 +606,7 @@ typedef struct _tdm_func_layer {
         * @param[in] layer A layer object
         * @return #TDM_ERROR_NONE if success. Otherwise, error value.
         * @remark
-        * A backend module @b SHOULD hide the current showing buffer from screen.
-        * If needed, cleanup a layer object resource.
+        * A backend module @b SHOULD remove the current showing buffer from screen.
         */
        tdm_error (*layer_unset_buffer)(tdm_layer *layer);