diff --git a/store/sqlstore/store.go b/store/sqlstore/store.go
index d39cb3bbe9..b27fe5a4ae 100644
--- a/store/sqlstore/store.go
+++ b/store/sqlstore/store.go
@@ -1429,8 +1429,11 @@ func (ss *SqlStore) migrate(direction migrationDirection) error {
 	var driver database.Driver
 	var err error
 
-	// When WithInstance is used in golang-migrate, the underlying driver connections are not tracked.
-	// So we will have to open a fresh connection for migrations and explicitly close it when all is done.
+	// golang-migrate doesn't have a way to reuse an existing connection in a migration.
+	// The current API will always close the current connection _as well as_ the *sql.DB
+	// instance along with it. Which means that we cannot pass an existing DB instance,
+	// because it will be closed. Therefore, we always have to create a new instance,
+	// and therefore a new connection.
 	dataSource, err := ss.appendMultipleStatementsFlag(*ss.settings.DataSource)
 	if err != nil {
 		return err