Apply suggestions from code review

Author: v-stsavell

windows-365/enterprise/alerts.md

@@ -46,11 +46,11 @@ To view the list of recent alerts, sign in to the [Microsoft Endpoint Manager ad
 ## Customize alert rule
 
 1. Sign in to the [Microsoft Endpoint Manager admin center](https://go.microsoft.com/fwlink/?linkid=2109431) > **Tenant administration** > **Alerts (preview)** > **Alert rules**.
-    ![Screenshot of view alert rules](./media/alerts/view-alert-rules.png)
+    ![Screenshot of view alert rules.](./media/alerts/view-alert-rules.png)
 
 2. Select a rule in the list.
 3. On the **System rule** page, make any changes that you want in the **Conditions**, **Settings**, and **Notifications** sections.
-    ![Screenshot of system rule](./media/alerts/system-rule.png)
+    ![Screenshot of system rule.](./media/alerts/system-rule.png)
 4. Select **Apply** to save the changes to the rule.
 
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