diff --git a/plugins/inputs/dovecot/README.md b/plugins/inputs/dovecot/README.md
index 98ed40e91..59ac79b64 100644
--- a/plugins/inputs/dovecot/README.md
+++ b/plugins/inputs/dovecot/README.md
@@ -17,9 +17,12 @@ domains. You can read Dovecot's documentation
 
 ```
 
+### Tags:
+	server: hostname
+	domain: domain name
+
 ### Fields:
 
-	domain                 string
 	reset_timestamp        time.Time
 	last_update            time.Time
 	num_logins             int64