diff --git a/gdk/x11/gdkcursor-x11.c b/gdk/x11/gdkcursor-x11.c
index d7069f450f..85364d7bf0 100644
--- a/gdk/x11/gdkcursor-x11.c
+++ b/gdk/x11/gdkcursor-x11.c
@@ -390,7 +390,7 @@ gdk_x11_display_set_cursor_theme (GdkDisplay  *display,
 
 /**
  * gdk_x11_display_get_xcursor:
- * @display: a #GdkDisplay
+ * @display: (type GdkX11Display): a #GdkDisplay
  * @cursor: a #GdkCursor.
  * 
  * Returns the X cursor belonging to a #GdkCursor, potentially