diff --git a/editions/prerelease/tiddlers/Release 5.1.20.tid b/editions/prerelease/tiddlers/Release 5.1.20.tid
new file mode 100644
index 000000000..ed896c952
--- /dev/null
+++ b/editions/prerelease/tiddlers/Release 5.1.20.tid	
@@ -0,0 +1,14 @@
+caption: 5.1.20
+created: 20181220163418974
+modified: 20181220163418974
+tags: ReleaseNotes
+title: Release 5.1.20
+type: text/vnd.tiddlywiki
+
+//[[See GitHub for detailed change history of this release|https://github.com/Jermolene/TiddlyWiki5/compare/v5.1.19...v5.1.20]]//
+
+
+! Contributors
+
+[[@Jermolene|https://github.com/Jermolene]] would like to thank the contributors to this release who have generously given their time to help improve TiddlyWiki:
+
diff --git a/editions/tw5.com/tiddlers/hellothere/HelloThere.tid b/editions/tw5.com/tiddlers/hellothere/HelloThere.tid
index 1f2a96801..c5342909f 100644
--- a/editions/tw5.com/tiddlers/hellothere/HelloThere.tid
+++ b/editions/tw5.com/tiddlers/hellothere/HelloThere.tid
@@ -1,6 +1,6 @@
 created: 20130822170200000
 list: [[A Gentle Guide to TiddlyWiki]] [[Discover TiddlyWiki]] [[Some of the things you can do with TiddlyWiki]] [[Ten reasons to switch to TiddlyWiki]] Examples [[What happened to the original TiddlyWiki?]] [[HelloThumbnail - TWEUM2017]]
-modified: 20181206090053690
+modified: 20181220163418974
 tags: TableOfContents
 title: HelloThere
 type: text/vnd.tiddlywiki
diff --git a/editions/prerelease/tiddlers/Release 5.1.19.tid b/editions/tw5.com/tiddlers/releasenotes/Release 5.1.19.tid
similarity index 95%
rename from editions/prerelease/tiddlers/Release 5.1.19.tid
rename to editions/tw5.com/tiddlers/releasenotes/Release 5.1.19.tid
index d5855c395..942dea49c 100644
--- a/editions/prerelease/tiddlers/Release 5.1.19.tid	
+++ b/editions/tw5.com/tiddlers/releasenotes/Release 5.1.19.tid	
@@ -1,6 +1,7 @@
 caption: 5.1.19
-created: 20181214164458762
-modified: 20181214164458762
+created: 20181220163418974
+modified: 20181220163418974
+released: 20181220163418974
 tags: ReleaseNotes
 title: Release 5.1.19
 type: text/vnd.tiddlywiki