diff --git a/README.md b/README.md
index ad119e45..a6f797ae 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ This [uBO](https://github.com/gorhill/uBlock/)-compatible filter list is based o
 
 ## Subscribe
 
-Filter is updated once a day.
+Filter is updated twice a day.
 
 Import the following URL into uBO to subcribe:
 
diff --git a/utils/script.sh b/utils/script.sh
index 4095bb18..774bfc1d 100755
--- a/utils/script.sh
+++ b/utils/script.sh
@@ -5,9 +5,10 @@
 CURRENT_TIME="$(date -R -u)"
 FIRST_LINE="! Title: abuse.ch URLhaus Malicious URL Blocklist"
 SECOND_LINE="! Updated: $CURRENT_TIME"
-THIRD_LINE="! Repo: https://gitlab.com/curben/urlhaus"
-FOURTH_LINE="! License: https://creativecommons.org/publicdomain/zero/1.0/"
-FIFTH_LINE="! Source: https://urlhaus.abuse.ch/api/"
+THIRD_LINE="! Expires: 1 day (update frequency)"
+FOURTH_LINE="! Repo: https://gitlab.com/curben/urlhaus"
+FIFTH_LINE="! License: https://creativecommons.org/publicdomain/zero/1.0/"
+SIXTH_LINE="! Source: https://urlhaus.abuse.ch/api/"
 COMMENT="$FIRST_LINE\n$SECOND_LINE\n$THIRD_LINE\n$FOURTH_LINE\n$FIFTH_LINE"
 
 # Download the database dump