fix two typos in one line (!)

git-svn-id: http://svn.zope.org/repos/main/zc.buildout/trunk@82333 62d5b8a3-27da-0310-9561-8e5933582275

CHANGES.txt

@@ -41,7 +41,7 @@ Feature Changes
 
 - Added a configuration option that causes buildout to error if a
   version is picked. This is a nice safety belt when fixing all
-  versions is intented, especially whan creating releases.
+  versions is intended, especially when creating releases.
 
 Bugs Fixed
 ----------