diff --git a/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/How-to-build-a-concurrent-graphical-application--EiffelVision-with-SCOOP.wiki b/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/How-to-build-a-concurrent-graphical-application--EiffelVision-with-SCOOP.wiki
index 2fc73005..178a482c 100644
--- a/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/How-to-build-a-concurrent-graphical-application--EiffelVision-with-SCOOP.wiki
+++ b/documentation/trunk/solutions/gui-building/eiffelvision-2/Vison2_howto/How-to-build-a-concurrent-graphical-application--EiffelVision-with-SCOOP.wiki
@@ -1,3 +1,6 @@
+[[Property:modification_date|Mon, 15 Feb 2021 09:17:32 GMT]]
+[[Property:publication_date|Mon, 15 Feb 2021 09:17:32 GMT]]
+[[Property:link_title|... build with SCOOP]]
 [[Property:uuid|D1DDF411-5387-4A81-9A85-3EF8A2A4220D]]
 [[Property:weight|0]]
 [[Property:title|How to build a concurrent graphical application: EiffelVision with SCOOP]]