diff --git a/functions/imap.xml b/functions/imap.xml
index 178c1fb7d8..b72517d15d 100644
--- a/functions/imap.xml
+++ b/functions/imap.xml
@@ -692,7 +692,7 @@ fetchsubject (subject line formatted to fit subjectlength
server, in the form: {imap_server:imap_port}, and
pattern specifies where in the mailbox
hierarchy to start searching. If you want all mailboxes, pass
- pattern as an empty string.
+ '*' for pattern.
There are two special characters you can pass as part of the