diff --git a/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.dev.tid b/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.dev.tid
index 2ed5c3285..39c6c45b7 100644
--- a/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.dev.tid
+++ b/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.dev.tid
@@ -2,5 +2,5 @@ title: $:/_tw_shared/sites/tiddlywiki.com.dev
 tags: $:/tags/TiddlyWikiSites
 caption: tiddlywiki.com/dev
 description: Developer Site
-url: https://tiddlywiki.com/dev
+url: https://tiddlywiki.com/dev/
 icon: $:/_tw_shared/favicons/tiddlywiki.com.dev
diff --git a/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.prerelease.tid b/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.prerelease.tid
index 2d67276f9..e962746f4 100644
--- a/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.prerelease.tid
+++ b/editions/tw5.com/tiddlers/_tw_shared/sites/tiddlywiki.com.prerelease.tid
@@ -2,5 +2,5 @@ title: $:/_tw_shared/sites/tiddlywiki.com.prerelease
 tags: $:/tags/TiddlyWikiSites
 caption: tiddlywiki.com/prerelease
 description: Latest Build of Next Release
-url: https://tiddlywiki.com/prerelease
+url: https://tiddlywiki.com/prerelease/
 icon: $:/_tw_shared/favicons/tiddlywiki.com.prerelease