diff --git a/CHANGES.md b/CHANGES.md
index 600dc8e15..997f63839 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -6,6 +6,9 @@
 
 * Migrate to tokio 0.2
 
+### Fixed
+
+* Allow comma-separated websocket subprotocols without spaces (#1172)
 
 ## [2.0.0-alpha.1] - 2019-11-22