diff --git a/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/converting-eiffelvision-2-systems-void-safety.wiki b/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/converting-eiffelvision-2-systems-void-safety.wiki
index 9f7586a6..bee13560 100644
--- a/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/converting-eiffelvision-2-systems-void-safety.wiki
+++ b/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/converting-eiffelvision-2-systems-void-safety.wiki
@@ -1,3 +1,6 @@
+[[Property:modification_date|Mon, 15 Feb 2021 09:18:59 GMT]]
+[[Property:publication_date|Mon, 15 Feb 2021 09:18:59 GMT]]
+[[Property:link_title|... make void-safe]]
 [[Property:title|Converting EiffelVision 2 Systems to Void-Safety]]
 [[Property:weight|1]]
 [[Property:uuid|96e01318-700b-da6e-42d1-14fee219daf5]]