Fix capitalization in nagios 'services' parameter comment

monitoring/nagios.py

@@ -76,7 +76,7 @@ options:
   servicegroup:
     version_added: "2.0"
     description:
-      - the Servicegroup we want to set downtimes/alerts for.
+      - The Servicegroup we want to set downtimes/alerts for.
         B(Required) option when using the C(servicegroup_service_downtime) amd C(servicegroup_host_downtime).
   command:
     description:
@@ -86,7 +86,7 @@ options:
     required: true
     default: null
 
-author: "Tim Bielawa (@tbielawa)" 
+author: "Tim Bielawa (@tbielawa)"
 requirements: [ "Nagios" ]
 '''