Changelog for #447
diff --git a/CHANGES b/CHANGES
index ba820cc..cd14f54 100644
--- a/CHANGES
+++ b/CHANGES
@@ -33,6 +33,7 @@
   the finalize callback of the environment.
 - escape query strings for urlencode properly.  Previously slashes were not
   escaped in that place.
+- Add 'base' parameter to 'int' filter.
 
 Version 2.7.3
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