diff --git a/editions/prerelease/tiddlers/Release 5.1.20.tid b/editions/prerelease/tiddlers/Release 5.1.20.tid
index aac0e9259..d33006329 100644
--- a/editions/prerelease/tiddlers/Release 5.1.20.tid	
+++ b/editions/prerelease/tiddlers/Release 5.1.20.tid	
@@ -11,7 +11,7 @@ type: text/vnd.tiddlywiki
 
 Added several new [[Mathematics Operators]] for working with numbers: [[negate|negate Operator]], [[abs|abs Operator]], [[ceil|ceil Operator]], [[floor|floor Operator]], [[round|round Operator]], [[trunc|trunc Operator]], [[untrunc|untrunc Operator]], [[sign|sign Operator]], [[add|add Operator]], [[subtract|subtract Operator]], [[multiply|multiply Operator]], [[divide|divide Operator]], [[remainder|remainder Operator]], [[max|max Operator]], [[min|min Operator]], [[fixed|fixed Operator]], [[precision|precision Operator]], [[exponential|exponential Operator]], [[sum|sum Operator]], [[product|product Operator]], [[maxall|maxall Operator]] and [[minall|minall Operator]].
 
-Added several new string operators: [[length|length Operator]], [[uppercase|uppercase Operator]], [[lowercase|lowercase Operator]], [[trim|trim Operator]], [[split|split Operator]], [[splitregexp|split Operator]] and [[join|join Operator]].
+Added several new string operators: [[length|length Operator]], [[uppercase|uppercase Operator]], [[lowercase|lowercase Operator]], [[trim|trim Operator]], [[split|split Operator]], [[splitregexp|splitregexp Operator]] and [[join|join Operator]].
 
 There is now finer control over TiddlyWiki's default behaviour of removing duplicates from filter results, making it much easier to work with the new mathematics and string operators:
 
@@ -119,6 +119,7 @@ New and improved translations:
 * [[@kyrias|https://github.com/kyrias]]
 * [[@MarxSal|https://github.com/MarxSal]]
 * [[@MidnightLightning|https://github.com/MidnightLightning]]
+* [[@rmunn|https://github.com/rmunn]]
 * [[@talha131|https://github.com/talha131]]
 * [[@telmiger|https://github.com/telmiger]]
 * [[@the-kenny|https://github.com/the-kenny]]