HasExtraLook verlinkt

Change-Id: Iecc2bc8d102632da639234a1ea7df92ae54501a3
diff --git a/doc/sphinx/props/P_INTERNAL_EXTRA_LOOK.rst b/doc/sphinx/props/P_INTERNAL_EXTRA_LOOK.rst
index 7977764..f7c8104 100644
--- a/doc/sphinx/props/P_INTERNAL_EXTRA_LOOK.rst
+++ b/doc/sphinx/props/P_INTERNAL_EXTRA_LOOK.rst
@@ -65,7 +65,7 @@
 
    Verwandt:
      :doc:`../lfun/AddExtraLook`, :doc:`../lfun/RemoveExtraLook`
-     :doc:`../lfun/long`
+     :doc:`../lfun/long`, :doc:`../lfun/HasExtraLook`
    Fuer Spielerobjekte:
      :doc:`../props/P_EXTRA_LOOK`