Update docs/serverless/rules/rules-ui-management.mdx

Co-authored-by: Nastasha Solomon <[email protected]>

Author: approksiu

docs/serverless/rules/rules-ui-management.mdx

@@ -130,6 +130,9 @@ Before manually running rules, make sure you properly understand and plan for ru
     * Select all the rules you want to manually run, select the **Bulk actions** menu, then select **Manual run**.
 1. Specify when the manual run starts and ends. The default selection is the current day starting three hours in the past. The rule will search for events during the selected time range.
 1. Click **Run** to manually run the rule.
+   <DocCallOut title="Note">
+   Running the rule manually can produce multiple rule executions. This is determined by the manual run's time range and the rule's execution schedule.
+   </DocCallOut>
 
 The manual run's details are shown in the <DocLink slug="/serverless/security/alerts-ui-monitor" section="manual-runs-table">Manual runs</DocLink> table on the **Execution results** tab. Changes you make to the manual run or rule settings will display in the Manual runs table after the current run completes.