diff --git a/usr.sbin/pwd_mkdb/pwd_mkdb.8 b/usr.sbin/pwd_mkdb/pwd_mkdb.8
index 9543ed03c666..209f06e57028 100644
--- a/usr.sbin/pwd_mkdb/pwd_mkdb.8
+++ b/usr.sbin/pwd_mkdb/pwd_mkdb.8
@@ -147,7 +147,7 @@ A Version 7 format password file.
 Regenerate the password database after manually editing or replacing
 the password file:
 .Bd -literal -offset -indent
-/usr/sbin/pwd_mkdb /etc/master.passwd
+/usr/sbin/pwd_mkdb -p /etc/master.passwd
 .Ed
 .Sh COMPATIBILITY
 Previous versions of the system had a program similar to