minor doc tweaks to snmp_facts

lib/ansible/modules/extras/network/snmp_facts.py

@@ -30,7 +30,7 @@ requirements:
 options:
     host:
         description:
-            - Set to {{ inventory_hostname }}}
+            - Set to target snmp server (normally {{inventory_hostname}})
         required: true
     version:
         description:
@@ -73,6 +73,7 @@ options:
 EXAMPLES = '''
 # Gather facts with SNMP version 2
 - snmp_facts: host={{ inventory_hostname }} version=2c community=public
+  connection: local
 
 # Gather facts using SNMP version 3
 - snmp_facts:
@@ -84,6 +85,7 @@ EXAMPLES = '''
     username=snmp-user
     authkey=abc12345
     privkey=def6789
+  delegate_to: localhost
 '''
 
 from ansible.module_utils.basic import *