diff --git a/arch/powerpc/include/asm/ppc4xx-emac.h b/arch/powerpc/include/asm/ppc4xx-emac.h
index e6eb332..76fa95c 100644
--- a/arch/powerpc/include/asm/ppc4xx-emac.h
+++ b/arch/powerpc/include/asm/ppc4xx-emac.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier:	GPL-2.0	ibm-pibs
+ * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
  */
 /*----------------------------------------------------------------------------+
 |