diff --git a/HowtoCheckconf.md b/HowtoCheckconf.md
index e4233df5..71375f3f 100644
--- a/HowtoCheckconf.md
+++ b/HowtoCheckconf.md
@@ -267,3 +267,9 @@ mount --fake --all --verbose
 rsyslogd -N1
 rsyslogd -N1 -f /etc/rsyslogd/foo.conf
 ~~~
+
+# pf
+
+~~~
+pfctl -nf /etc/pf.conf
+~~~