diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index fdde3ce1aed..1b72d34dfc3 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -295,6 +295,10 @@ New features
   resolved without knowing the actual codec used for writing the segment.
   (Simon Willnauer)
 
+* LUCENE-2741: Add support for multiple codecs that use the same file
+  extensions within the same segment. Codecs now use their per-segment codec
+  ID in the file names. (Simon Willnauer)
+
 Optimizations
 
 * LUCENE-2410: ~20% speedup on exact (slop=0) PhraseQuery matching.