diff --git a/CHANGES b/CHANGES
index 647c146f..5c5aba5f 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,5 +1,5 @@
 2.5.6 2015-08-19
-- Add portable mode
+- Add portable mode. Create shadowsocks_portable_mode.txt to use it
 - Support server reorder
 
 2.5.5 2015-08-17