add notes about new AWS modules.

CHANGELOG.md

@@ -28,6 +28,8 @@ New Modules:
 * cloud: digital_ocean_sshkey 
 * cloud: rax_identity
 * cloud: ec2_asg (configure autoscaling groups)
+* cloud: ec2_scaling_policy
+* cloud: ec2_metricalarm
 
 Other notable changes:
 

library/cloud/ec2_metric_alarm

@@ -17,7 +17,7 @@
 DOCUMENTATION = """
 
 ---
-module: ec2_metricalarm
+module: ec2_metric_alarm
 short_description: Create/update or delete AWS Cloudwatch 'metric alarms'
 description:
  - Can create or delete AWS metric alarms
@@ -99,7 +99,7 @@ options:
 
 EXAMPLES = '''
   - name: create alarm
-    ec2_metricalarm:
+    ec2_metric_alarm:
       state: present
       region: ap-southeast-2
       name: "cpu-low"