Clearer comment
@@ -926,7 +926,7 @@ func (s *Store) Apply(l *raft.Log) interface{} {
}
}
-// Database returns a copy of the underlying database. The caller should
+// Database returns a copy of the underlying database. The caller MUST
// ensure that no transaction is taking place during this call, or an error may
// be returned. If leader is true, this operation is performed with a read
// consistency level equivalent to "weak". Otherwise no guarantees are made
