diff --git a/arch/arc/soc/em11d/soc.h b/arch/arc/soc/em11d/soc.h
index be885059f11..691eced5109 100644
--- a/arch/arc/soc/em11d/soc.h
+++ b/arch/arc/soc/em11d/soc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Synopsys, Inc. All rights reserved.
+ * Copyright (c) 2016-2017 Synopsys, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/arch/arc/soc/em7d/soc.h b/arch/arc/soc/em7d/soc.h
index 91f60ab731b..0c16a688e96 100644
--- a/arch/arc/soc/em7d/soc.h
+++ b/arch/arc/soc/em7d/soc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Synopsys, Inc. All rights reserved.
+ * Copyright (c) 2016-2017 Synopsys, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */
diff --git a/arch/arc/soc/em9d/soc.h b/arch/arc/soc/em9d/soc.h
index be885059f11..691eced5109 100644
--- a/arch/arc/soc/em9d/soc.h
+++ b/arch/arc/soc/em9d/soc.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017 Synopsys, Inc. All rights reserved.
+ * Copyright (c) 2016-2017 Synopsys, Inc. All rights reserved.
  *
  * SPDX-License-Identifier: Apache-2.0
  */