add clarifying comment

diff --git a/regression-tests/tests/pdnsutil-increase-serial/command b/regression-tests/tests/pdnsutil-increase-serial/command
index cc3a369d940e5b3e8f009126c0b7de9763b5c542..a8f6accaf31ae14eee84cc3f5a2e088fd418c763 100755 (executable)
--- a/regression-tests/tests/pdnsutil-increase-serial/command
+++ b/regression-tests/tests/pdnsutil-increase-serial/command
@@ -6,6 +6,7 @@ $PDNSUTIL --config-dir=. --config-name=gmysql increase-serial test.dyndns
 
 mysqldiff 1 "Check that test.dyndns. still has a valid ordername"
 
+# restore old SOA
 [ -z "$GMYSQLDB" ] && GMYSQLDB=pdnstest
 [ -z "$GMYSQLUSER" ] && GMYSQLUSER=root
 [ -z "$GMYSQLHOST" ] && GMYSQLHOST=localhost