diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index cef7f84..8e6295e 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -79,19 +79,19 @@ git clone https://gerrit.wikimedia.org/r/p/mediawiki/extensions/RSS.git
   Extension:RSS when parsing differently flavoured RSS feeds and ATOM feeds
 
 === Version 1.94 2012-02-23 ===
-* changed white list definition and behaviour:
+* changed white list definition and behavior:
 
   1. changed the name from $wgRSSAllowedFeeds to $wgRSSUrlWhitelist
-  2. behaviour has been changed
+  2. behavior has been changed
 
-  the new behaviour is:
+  the new behavior is:
   $wgRSSUrlWhitelist is empty by default. Since version 1.94 it must be
   expressly set to an array( list-of-comma-separated-allowed-RSS-urls-strings )
   or set to array( "*" ) if you want to allow any url
 
-  the old behaviour was:
+  the old behavior was:
   $wgRSSAllowedFeeds was empty by default and empty meant that every Url
-  was allowed by default. This has been changed, see new behaviour.
+  was allowed by default. This has been changed, see new behavior.
 
 === Version 1.92 2012-02-13 ===
 * added optional date= attribute and $wgRSSDateDefaultFormat parameter