diff --git a/editions/tw5.com/tiddlers/community/resources/rboue's_plugins_for_TiddlyWiki.tid b/editions/tw5.com/tiddlers/community/resources/rboue's_plugins_for_TiddlyWiki.tid
index 34647384b..20d60653a 100644
--- a/editions/tw5.com/tiddlers/community/resources/rboue's_plugins_for_TiddlyWiki.tid
+++ b/editions/tw5.com/tiddlers/community/resources/rboue's_plugins_for_TiddlyWiki.tid
@@ -7,7 +7,7 @@ url: http://rboue.tiddlyspot.com
 
 Featuring plugins that integrate two interesting new capabilities:
 
-* [[SocialCalc|https://dmzwik01.collaborate.ag/help-en/SocialCalc]] providing a powerful spreadsheet
+* [[SocialCalc|https://www.socialtext.net/open/socialcalc]] providing a powerful spreadsheet
 * [[Three.js|http://threejs.org/]] providing interactive 3D graphics
 
 {{!!url}}