[docs] Include required ARN format of actions in ec2_metric_alarm (#46514)

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+label: docsite_pr

lib/ansible/modules/cloud/amazon/ec2_metric_alarm.py

@@ -103,7 +103,7 @@ options:
         required: false
     alarm_actions:
         description:
-          - A list of the names action(s) taken when the alarm is in the 'alarm' status
+          - A list of the names action(s) taken when the alarm is in the 'alarm' status, denoted as Amazon Resource Name(s)
         required: false
     insufficient_data_actions:
         description:
@@ -111,7 +111,7 @@ options:
         required: false
     ok_actions:
         description:
-          - A list of the names of action(s) to take when the alarm is in the 'ok' status
+          - A list of the names of action(s) to take when the alarm is in the 'ok' status, denoted as Amazon Resource Name(s)
         required: false
 extends_documentation_fragment:
     - aws
@@ -136,6 +136,22 @@ EXAMPLES = '''
       dimensions: {'InstanceId':'i-XXX'}
       alarm_actions: ["action1","action2"]
 
+  - name: Create an alarm to recover a failed instance
+    ec2_metric_alarm:
+      state: present
+      region: us-west-1
+      name: "recover-instance"
+      metric: "StatusCheckFailed_System"
+      namespace: "AWS/EC2"
+      statistic: "Minimum"
+      comparison: ">="
+      threshold: 1.0
+      period: 60
+      evaluation_periods: 2
+      unit: "Seconds"
+      description: "This will recover an instance when it fails"
+      dimensions: {"InstanceId":'i-XXX'}
+      alarm_actions: ["arn:aws:automate:us-west-1:ec2:recover"]
 
 '''