diff --git a/gst-libs/gst/gl/android/gstglwindow_android_egl.h b/gst-libs/gst/gl/android/gstglwindow_android_egl.h
index 7ec70496fe..d4cae36043 100644
--- a/gst-libs/gst/gl/android/gstglwindow_android_egl.h
+++ b/gst-libs/gst/gl/android/gstglwindow_android_egl.h
@@ -44,6 +44,7 @@ struct _GstGLWindowAndroidEGL {
   GstGLWindow parent;
   
   GstGLEGL *egl;
+  /* This is actually an ANativeWindow */
   EGLNativeWindowType native_window;
 
   GMainContext *main_context;