diff --git a/arch/powerpc/include/asm/ppc405.h b/arch/powerpc/include/asm/ppc405.h
index 8bb342b..f2ed16a 100644
--- a/arch/powerpc/include/asm/ppc405.h
+++ b/arch/powerpc/include/asm/ppc405.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier:	GPL-2.0	ibm-pibs
+ * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
  */
 
 #ifndef	__PPC405_H__
diff --git a/arch/powerpc/include/asm/ppc440.h b/arch/powerpc/include/asm/ppc440.h
index 0f5bc8d..0cfa88b 100644
--- a/arch/powerpc/include/asm/ppc440.h
+++ b/arch/powerpc/include/asm/ppc440.h
@@ -9,7 +9,7 @@
  * (C) Copyright 2010
  * Stefan Roese, DENX Software Engineering, sr@denx.de.
  *
- * SPDX-License-Identifier:	GPL-2.0	ibm-pibs
+ * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
  */
 
 #ifndef __PPC440_H__
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
  */
 /*----------------------------------------------------------------------------+
 |
diff --git a/arch/powerpc/include/asm/ppc4xx-mal.h b/arch/powerpc/include/asm/ppc4xx-mal.h
index d15290d..ef8b174 100644
--- a/arch/powerpc/include/asm/ppc4xx-mal.h
+++ b/arch/powerpc/include/asm/ppc4xx-mal.h
@@ -1,6 +1,6 @@
 /* include/mal.h, openbios_walnut, walnut_bios 8/6/99 08:48:40 */
 /*
- * SPDX-License-Identifier:	GPL-2.0	ibm-pibs
+ * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
  */
 /*----------------------------------------------------------------------------+
 |
diff --git a/arch/powerpc/include/asm/ppc4xx.h b/arch/powerpc/include/asm/ppc4xx.h
index 8d703c6..e6a3bff 100644
--- a/arch/powerpc/include/asm/ppc4xx.h
+++ b/arch/powerpc/include/asm/ppc4xx.h
@@ -1,5 +1,5 @@
 /*
- * SPDX-License-Identifier:	GPL-2.0	ibm-pibs
+ * SPDX-License-Identifier:	GPL-2.0	IBM-pibs
  */
 
 #ifndef	__PPC4XX_H__