MenuButton: Document the correct no-direction icon

Document open-menu-symbolic, which we use, not view-context-menu, which
does not exist.

diff --git a/gtk/gtkmenubutton.c b/gtk/gtkmenubutton.c
index 110c7b5fa39e2b248348d88911595c328491b364..3a7e9b3092916e10f85de451b21933f6b67c7007 100644 (file)
--- a/gtk/gtkmenubutton.c
+++ b/gtk/gtkmenubutton.c
@@ -31,7 +31,7 @@
  * can hold almost any other standard #GtkWidget. The most commonly used
  * child is #GtkImage. If no widget is explicitely added to the #GtkMenuButton,
  * a #GtkImage is automatically created, using an arrow image oriented
- * according to #GtkMenuButton:direction or the generic "view-context-menu"
+ * according to #GtkMenuButton:direction or the generic “open-menu-symbolic”
  * icon if the direction is not set.
  *
  * The positioning of the popup is determined by the #GtkMenuButton:direction