diff --git a/CHANGES.md b/CHANGES.md
index a2071310..243dc827 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -5,6 +5,9 @@
 ### Changed
 
 *  Use `encoding_rs` crate instead of unmaintained `encoding` crate
+*  Enhanced ``actix-session`` to facilitate state changes.  Use ``Session.renew()``
+   at successful login to cycle a session (new key, cookie).  Use ``Session.purge()``
+   at logout to invalid a session cookie (and remove from redis cache, if applicable).
 
 ## [1.0.2] - 2019-06-17