diff --git a/editions/tw5.com/tiddlers/webserver/WebServer Parameter_ username.tid b/editions/tw5.com/tiddlers/webserver/WebServer Parameter_ username.tid
index e49f15c4b..6b670e6d4 100644
--- a/editions/tw5.com/tiddlers/webserver/WebServer Parameter_ username.tid	
+++ b/editions/tw5.com/tiddlers/webserver/WebServer Parameter_ username.tid	
@@ -8,7 +8,7 @@ type: text/vnd.tiddlywiki
 The [[web server configuration parameter|WebServer Parameters]] ''username'', in conjunction with its companion [[password|WebServer Parameter: password]]:
 
 * Enables [[Basic Authentication|WebServer Basic Authentication]] with the specified username/password combination being added to any credentials specified with the [[credentials|WebServer Parameter: credentials]] parameter
-* The specified username is used as a default value for the [[readers|WebServer Parameter: readers]] and [[writers|WebServer Parameter: writers]] authorization parameters if they not specified
+* The specified username is used as a default value for the [[readers|WebServer Parameter: readers]] and [[writers|WebServer Parameter: writers]] authorization parameters if they are not specified
 
 !! Examples