Edit new active sessions limit content

doc/user/profile/active_sessions.md

@@ -2,10 +2,9 @@
 type: howto
 ---
 
-# Active Sessions
+# Active sessions
 
-> - [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/17867)
->   in GitLab 10.8.
+> [Introduced](https://gitlab.com/gitlab-org/gitlab-foss/merge_requests/17867) in GitLab 10.8.
 
 GitLab lists all devices that have logged into your account. This allows you to
 review the sessions, and revoke any you don't recognize.
@@ -18,8 +17,12 @@ review the sessions, and revoke any you don't recognize.
 
 ![Active sessions list](img/active_sessions_list.png)
 
-CAUTION: **Caution:**
-It is currently possible to have 100 active sessions at once. If the number of active sessions exceed 100, the oldest ones will be deleted.
+## Active sessions limit
+
+> [Introduced](https://gitlab.com/gitlab-org/gitlab/issues/31611) in GitLab 12.6.
+
+GitLab allows users to have up to 100 active sessions at once. If the number of active sessions
+exceeds 100, the oldest ones are deleted.
 
 <!-- ## Troubleshooting