Docs fixes

cloud/amazon/ec2_ami.py

@@ -73,7 +73,7 @@ options:
     version_added: "2.0"
     description:
       - An optional list of device hashes/dictionaries with custom configurations (same block-device-mapping parameters)
-      - Valid properties include: device_name, volume_type, size (in GB), delete_on_termination (boolean), no_device (boolean), snapshot_id, iops (for io1 volume_type)
+      - "Valid properties include: device_name, volume_type, size (in GB), delete_on_termination (boolean), no_device (boolean), snapshot_id, iops (for io1 volume_type)"
     required: false
     default: null
   delete_snapshot:

cloud/rackspace/rax_scaling_group.py

@@ -105,7 +105,7 @@ options:
       - Data to be uploaded to the servers config drive. This option implies
         I(config_drive). Can be a file path or a string
     version_added: 1.8
-  wait
+  wait:
     description:
       - wait for the scaling group to finish provisioning the minimum amount of
         servers
@@ -117,7 +117,7 @@ options:
     description:
       - how long before wait gives up, in seconds
     default: 300
-author: Matt Martz
+author: "Matt Martz (@sivel)"
 extends_documentation_fragment: rackspace
 '''