elementary: fix typo on comment

change "an widget" to "a widget".

src/lib/elementary/elm_widget.c

@@ -4465,7 +4465,7 @@ _elm_widget_newest_focus_order_get(const Eo *obj, Elm_Widget_Smart_Data *sd, uns
 /*
  * @internal
  *
- * Get the focus highlight geometry of an widget.
+ * Get the focus highlight geometry of a widget.
  *
  * @param obj Widget object for the focus highlight
  * @param x Focus highlight x coordinate

src/lib/elementary/elm_widget_item.eo

@@ -168,7 +168,7 @@ class Elm.Widget.Item(Efl.Object, Elm.Interface.Atspi_Accessible,
                 }
            }
            @property disabled {
-                [[Control the disabled state of an widget item.
+                [[Control the disabled state of a widget item.
 
                   Elementary object item can be disabled, in which state they won't
                   receive input and, in general, will be themed differently from