diff --git a/drivers/staging/comedi/comedi_pci.h b/drivers/staging/comedi/comedi_pci.h
index 647a72441b8a..4e069440cbdc 100644
--- a/drivers/staging/comedi/comedi_pci.h
+++ b/drivers/staging/comedi/comedi_pci.h
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * comedi_pci.h
  * header file for Comedi PCI drivers