Update OverrideARStatus.md

Signed-off-by: Shirang Jia <[email protected]>

AutomatedReview/OverrideARStatus.md

@@ -6,6 +6,8 @@ When the merge of your pull request is blocked by known AR failures from target
 2. Ask SIG chairs/co-chairs to review the failed build and confirm the AR build failure is irrelevant to the PR.
 3. If you are a SIG chairs/co-chairs, login to https://jenkins.build.o3de.org and run Jenkins job https://jenkins.build.o3de.org/view/Tools/job/override-pr-status-check/ to override PR's status check rule.
 4. Copy the URL of the pull request to job parameter 'PR_URL' and click Build. 
+   
+   Note: Do not copy the AR build URL to the job parameter.
    ![Job page](./images/override_pr_1.png)
 5. Check whether the status check "continuous-integration/jenkins/pr-merge" passed for your PR, it should show the person's name who did the override.
    ![PR page](./images/override_pr_2.png)