// can be useful when reading file formats that distinguish individual gzip
// data streams or mix gzip data streams with other data streams.
// In this mode, when the Reader reaches the end of the data stream,
-// Read returns io.EOF. If the underlying reader implements io.ByteReader,
-// it will be left positioned just after the gzip stream.
+// Read returns io.EOF. The underlying reader must implement io.ByteReader
+// in order to be left positioned just after the gzip stream.
// To start the next stream, call z.Reset(r) followed by z.Multistream(false).
// If there is no next stream, z.Reset(r) will return io.EOF.
func (z *Reader) Multistream(ok bool) {