fix the team code review comments

Author: caberos

SoftLayer/CLI/firewall/monitoring.py

@@ -13,7 +13,7 @@
 @click.argument('identifier')
 @environment.pass_env
 def cli(env, identifier):
-    """Get details for a multi vlan firewall monitors device."""
+    """Gets bandwidth details for a firewall from the past 30 days."""
 
     mgr = SoftLayer.FirewallManager(env.client)