diff --git a/docs/content/advanced/mail-fetchmail.md b/docs/content/advanced/mail-fetchmail.md
index fa161d00..8b9998b3 100644
--- a/docs/content/advanced/mail-fetchmail.md
+++ b/docs/content/advanced/mail-fetchmail.md
@@ -26,7 +26,7 @@ A detailed description of the configuration options can be found in the [online
 ## Example IMAP configuration
 
 ```
-poll imap.example.com proto imap
+poll 'imap.example.com' proto imap
 	user 'username'
 	pass 'secret'
 	is 'user1@domain.tld'
@@ -35,7 +35,7 @@ poll imap.example.com proto imap
 ## Example POP3 configuration
 
 ```
-poll pop3.example.com proto pop3
+poll 'pop3.example.com' proto pop3
 	user 'username'
 	pass 'secret'
 	is 'user2@domain.tld'