diff --git a/gst-libs/gst/gl/gstgldisplay.c b/gst-libs/gst/gl/gstgldisplay.c
index b96e1b592a..0c83cb9527 100644
--- a/gst-libs/gst/gl/gstgldisplay.c
+++ b/gst-libs/gst/gl/gstgldisplay.c
@@ -521,7 +521,7 @@ gst_gl_display_create_context (GstGLDisplay * display,
  *
  * It requires the display's object lock to be held.
  *
- * Returns: a new #GstGLWindow for @display or %NULL.
+ * Returns: (transfer full): a new #GstGLWindow for @display or %NULL.
  */
 GstGLWindow *
 gst_gl_display_create_window (GstGLDisplay * display)
@@ -576,14 +576,15 @@ gst_gl_display_remove_window (GstGLDisplay * display, GstGLWindow * window)
 /**
  * gst_gl_display_find_window:
  * @display: a #GstGLDisplay
- * @data: some data to pass to @compare_func
- * @compare_func: a comparison function to run
+ * @data: (closure): some data to pass to @compare_func
+ * @compare_func: (scope call): a comparison function to run
  *
  * Execute @compare_func over the list of windows stored by @display.  The
  * first argment to @compare_func is the #GstGLWindow being checked and the
  * second argument is @data.
  *
- * Returns: The first #GstGLWindow that causes a match from @compare_func
+ * Returns: (transfer none): The first #GstGLWindow that causes a match
+ *          from @compare_func
  *
  * Since: 1.12
  */
diff --git a/gst-libs/gst/gl/gstgldisplay.h b/gst-libs/gst/gl/gstgldisplay.h
index 5c0cc9ea15..2dd275d0d4 100644
--- a/gst-libs/gst/gl/gstgldisplay.h
+++ b/gst-libs/gst/gl/gstgldisplay.h
@@ -134,7 +134,7 @@ gboolean gst_gl_display_add_context (GstGLDisplay * display,
 
 GstGLWindow *   gst_gl_display_create_window    (GstGLDisplay * display);
 gboolean        gst_gl_display_remove_window    (GstGLDisplay * display, GstGLWindow * window);
-GstGLWindow *   gst_gl_display_find_window      (GstGLDisplay * display, gpointer data, GCompareFunc compar_func);
+GstGLWindow *   gst_gl_display_find_window      (GstGLDisplay * display, gpointer data, GCompareFunc compare_func);
 
 G_END_DECLS