some documentation changes

--HG--
branch : trunk
diff --git a/CHANGES b/CHANGES
index c791cd8..2a0a953 100644
--- a/CHANGES
+++ b/CHANGES
@@ -73,7 +73,7 @@
   "nonlocal" keyword. This means that you can now override variables
   defined in the outer scope from within a loop.
 
-- ``foo + bar`` is now a simpler alternative to ``foo|string + bar|string``
+- ``foo ~ bar`` is now a simpler alternative to ``foo|string + bar|string``
 
 - `PackageLoader` can now work without pkg_resources too