Cleanup comments and indentation in config file

plugins/inputs/couchdb/couchdb.go

@@ -75,10 +75,10 @@ func (*CouchDB) Description() string {
 
 func (*CouchDB) SampleConfig() string {
 	return `
-	  # Works with CouchDB stats endpoints out of the box
-	  # Multiple HOSTs from which to read CouchDB stats:
-	  hosts = ["http://localhost:8086/_stats"]
-	`
+  ### Works with CouchDB stats endpoints out of the box
+  ### Multiple HOSTs from which to read CouchDB stats:
+  hosts = ["http://localhost:8086/_stats"]
+`
 }
 
 func (c *CouchDB) Gather(accumulator telegraf.Accumulator) error {