Update solutions/security/detect-and-alert/create-detection-rule.md

Co-authored-by: Benjamin Ironside Goldstein <[email protected]>

Author: nastasha-solomon

solutions/security/detect-and-alert/create-detection-rule.md

@@ -84,7 +84,7 @@ Additional configuration is required for detection rules using cross-cluster sea
 To create or edit {{ml}} rules, you need: 
 * The appropriate [{{stack}} subscription](https://www.elastic.co/pricing) or [{{serverless-short}} project tier](../../../deploy-manage/deploy/elastic-cloud/project-settings.md).
 * The [`machine_learning_admin`](/deploy-manage/users-roles/cluster-or-deployment-auth/built-in-roles.md) in {{stack}} or the appropriate [user role](/deploy-manage/users-roles/cloud-organization/user-roles.md) in {{serverless-short}}. 
-* The selected {{ml}} job to be running for the rule to function correctly
+* The selected {{ml}} job to be running for the rule to function correctly.
 
 ::::