diff --git a/images/imap-download/Dockerfile b/images/imap-download/Dockerfile
index 780f6c2..2fc0033 100644
--- a/images/imap-download/Dockerfile
+++ b/images/imap-download/Dockerfile
@@ -20,7 +20,7 @@ VOLUME /mnt/output
 
 # Example fetchmailrc file: 
 #
-# poll starbeamrainbowlabs.com protocol IMAP
+# poll starbeamrainbowlabs.com protocol IMAP port 993
 #	user "user@example.com" with pass "PASSWORD_HERE"
 #	idle
 #	ssl