pp -> pretty

--HG--
branch : trunk
diff --git a/CHANGES b/CHANGES
index e0153c5..77961d5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -79,7 +79,7 @@
 
 - added `getattribute` and `getitem` filter.
 
-- added support for the `pp` library.
+- added support for the `pretty` library.
 
 
 Version 1.1