diff --git a/doc/user/project/quick_actions.md b/doc/user/project/quick_actions.md
index 96e51b061ee6407a740f34d3c8bc37f0b1f00436..216d040734dbfd9feaf7d1022a7ae808a7be167f 100644
--- a/doc/user/project/quick_actions.md
+++ b/doc/user/project/quick_actions.md
@@ -56,6 +56,7 @@ threads. Some quick actions might not be available to all subscription tiers.
 | `/assign_reviewer @user1 @user2` or `/reviewer @user1 @user2` or `/request_review @user1 @user2` | **{dotted-circle}** No | **{check-circle}** Yes | **{dotted-circle}** No | Assign one or more users as reviewers.                                                                                                                                                                                                                                                                                                                                                                                                                    |
 | `/assign_reviewer me` or `/reviewer me` or `/request_review me`                                  | **{dotted-circle}** No | **{check-circle}** Yes | **{dotted-circle}** No | Assign yourself as a reviewer.                                                                                                                                                                                                                                                                                                                                                                                                                            |
 | `/award :emoji:`                                                                                 | **{check-circle}** Yes | **{check-circle}** Yes | **{check-circle}** Yes | Toggle emoji award.                                                                                                                                                                                                                                                                                                                                                                                                                                       |
+| `/cc @user`                                                                                      | **{check-circle}** Yes | **{check-circle}** Yes | **{check-circle}** Yes | Mention a user. In GitLab 15.0 and later, this command performs no action. You can instead type `CC @user` or only `@user`. [In GitLab 14.9 and earlier](https://gitlab.com/gitlab-org/gitlab/-/issues/31200), mentioning a user at the start of a line created a specific type of to-do item notification. |
 | `/child_epic <epic>`                                                                             | **{dotted-circle}** No | **{dotted-circle}** No | **{check-circle}** Yes | Add child epic to `<epic>`. The `<epic>` value should be in the format of `&epic`, `group&epic`, or a URL to an epic ([introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/7330) in GitLab 12.0).                                                                                                                                                                                                                                                   |
 | `/clear_health_status`                                                                           | **{check-circle}** Yes | **{dotted-circle}** No | **{dotted-circle}** No | Clear [health status](issues/managing_issues.md#health-status) ([introduced](https://gitlab.com/gitlab-org/gitlab/-/issues/213814) in GitLab 14.7).                                                                                                                                                                                                                                                                                                       |
 | `/clear_weight`                                                                                  | **{check-circle}** Yes | **{dotted-circle}** No | **{dotted-circle}** No | Clear weight.                                                                                                                                                                                                                                                                                                                                                                                                                                             |