Fix typo

Author: changeworld

articles/azure-monitor/insights/solutions-resources-searches-alerts.md

@@ -171,10 +171,10 @@ The properties for Alert action resources are described in the following tables.
 
 | Element name | Required | Description |
 |:--|:--|:--|
-| Type | Yes | Type of the action.  This is **Alert** for alert actions. |
-| Name | Yes | Display name for the alert.  This is the name that's displayed in the console for the alert rule. |
-| Description | No | Optional description of the alert. |
-| Severity | Yes | Severity of the alert record from the following values:<br><br> **critical**<br>**warning**<br>**informational**
+| type | Yes | Type of the action.  This is **Alert** for alert actions. |
+| name | Yes | Display name for the alert.  This is the name that's displayed in the console for the alert rule. |
+| description | No | Optional description of the alert. |
+| severity | Yes | Severity of the alert record from the following values:<br><br> **critical**<br>**warning**<br>**informational**
 
 
 #### Threshold