diff --git a/ChangeLog b/ChangeLog
index 44248eb9..b6775d5a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,9 +1,14 @@
 3.3.1
 
+- enabled the OPUS codec
+
 - store fader level settings
 
 - improved server performance under Linux
 
+- changed the nework buffer for improved OPUS PLC
+  performance
+
 
 3.3.0