diff --git a/Changelog.md b/Changelog.md
index 7eea40de..c7956b98 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -16,10 +16,16 @@ Changelog [format](http://keepachangelog.com/en/1.0.0/)
 * Adding DSN Sentry as build time parameter
 * GODT-124 bump go-appdir from v1.0.0 to v1.1.0
 * CSB-72 Skip processing message update event if http statuscode is 422
-* Skip processing message update event if http statuscode is 422
-* GODT-204 `pmapi.TokenManager` replaced by `pmapi.ClientManager`
-    * `expiresAt` is no longer part of client
-    * TODO Please fill here all logic changes
+* GODT-204 `ClientManager`
+  * `Client` is now an interface; `client` is the concrete type
+  * `Client`s are only created by `ClientManager`
+  * Only one `Client` per userID exists at any given time; clients are reused
+  * Tokens are managed by `ClientManager` (`TokenManager` is removed)
+  * `expiresAt` is no longer part of `Client`; token expiry and refreshing is handled by `ClientManager`
+  * Auths generated by clients during Auth/AuthRefresh are handled by `ClientManager` (which forwards them to `Bridge`)
+  * `ClientManager` is the "one source of truth" for the host URL for all `Client`s 
+  * Alternative Routing is enabled/disabled by `ClientManager`
+  * Logging out of `Clients` is handled/retried asynchronously by `ClientManager`
 
 
 ### Fixed