diff --git a/rhodecode/apps/repository/views/repo_pull_requests.py b/rhodecode/apps/repository/views/repo_pull_requests.py
index 8d903ad9..17656b69 100644
--- a/rhodecode/apps/repository/views/repo_pull_requests.py
+++ b/rhodecode/apps/repository/views/repo_pull_requests.py
@@ -1325,6 +1325,8 @@ class RepoPullRequestsView(RepoAppView, DataGridAppView):
                 if ai_user_id in ids_to_add:
                     log.debug("Initiating code review for pull request id: %s", pull_request.pull_request_id)
                     run_task(tasks.start_ai_code_review, pull_request.pull_request_id)
+                    msg = _("AI code review has started. The review will be ready in about 1–3 minutes.")
+                    h.flash(msg, category="success")
 
             elif "observer_members" in controls:
                 self._update_reviewers(