Fix procedure name

editions/tw5.com/tiddlers/releasenotes/5.4.0/Release 5.4.0.tid

@@ -17,4 +17,4 @@ Release v5.4.0 includes major improvements in a number of areas:
 \define release-contributors()
 \end release-contributors
 
-<<releasenotes 5.4.0>>
+<<releasenote 5.4.0>>

editions/tw5.com/tiddlers/releasenotes/ReleasesProcedures.tid

@@ -1,7 +1,7 @@
 title: $:/tw5.com/releases/procedures
 tags: $:/tags/Global
 
-\procedure releasenotes(release)
+\procedure releasenote(release)
 <$let
 	releaseTiddler={{{ [all[tiddlers]tag[ReleaseNotes]] :filter[{!!caption}match<release>] }}}
 	releaseTiddlerCreated={{{ [<releaseTiddler>get[created]] }}}
@@ -63,4 +63,4 @@ for their winning design for the banner for this release (here is the
 
 <%endif%>
 
-\end releasenotes
+\end releasenote

editions/tw5.com/tiddlers/releasenotes/pre-5.4.0/Release 5.3.8.tid

@@ -37,4 +37,4 @@ pmario
 \define banner-credit-discussion-link() https://talk.tiddlywiki.org/t/planning-a-v5-3-8-bug-fix-release/12963
 \define banner-credit-permalink() https://raw.githubusercontent.com/TiddlyWiki/TiddlyWiki5/e8a7bbf14e078d83ab6ba55a80cb8d9ba5290303/editions/tw5.com/tiddlers/images/New%20Release%20Banner.png
 
-<<releasenotes 5.3.8>>
+<<releasenote 5.3.8>>