elm_bg_legacy: add missing parameter description

Summary: Add missing parameter description to remove doxygen warning

Test Plan: API Doxygen Revision

Reviewers: raster, cedric, jpeg, myoungwoon, Jaehyun_Cho

Differential Revision: https://phab.enlightenment.org/D5388

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/elementary/elm_bg_legacy.h b/src/lib/elementary/elm_bg_legacy.h
index 33a1a5211d..545c5d46c8 100644
--- a/src/lib/elementary/elm_bg_legacy.h
+++ b/src/lib/elementary/elm_bg_legacy.h
@@ -91,6 +91,7 @@ EAPI void                         elm_bg_color_get(const Evas_Object *obj, int *
  *
  * @ingroup Elm_Bg
  *
+ * @param[in] obj The background object handle
  * @param[in] file The file path
  * @param[in] group Optional key (group in Edje) within the file
  */
@@ -105,6 +106,7 @@ EAPI Eina_Bool elm_bg_file_set(Eo *obj, const char *file, const char *group);
  *
  * @ingroup Elm_Bg
  *
+ * @param[in] obj The background object handle
  * @param[out] file The file path
  * @param[out] group Optional key (group in Edje) within the file
  */