diff --git a/install_update_dovecot.sh b/install_update_dovecot.sh
index b770a30..3abff36 100755
--- a/install_update_dovecot.sh
+++ b/install_update_dovecot.sh
@@ -2016,6 +2016,7 @@ mkdir -p /usr/local/dovecot-${_version}/etc/dovecot/sieve/global/
 echononl "\tCeate global sieve script"
 cat <<EOF > /usr/local/dovecot-${_version}/etc/dovecot/sieve/move-spam.sieve
 require ["fileinto"];
+# rule:[Move Spam]
 # Move spam to spam folder
 if header :contains "X-Spam-Flag" ["YES"] {
   fileinto "$spam_folder";