3 files changed, 6 insertions, 0 deletions
diff --git a/bin/date/date.c b/bin/date/date.c
index 7f2e1b28a64c..089b392c22ed 100644
--- a/bin/date/date.c
+++ b/bin/date/date.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 1985, 1987, 1988, 1993
  *	The Regents of the University of California.  All rights reserved.
  *
diff --git a/bin/date/extern.h b/bin/date/extern.h
index 9132663f59ad..509f77e95fd3 100644
--- a/bin/date/extern.h
+++ b/bin/date/extern.h
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 1993
  *	The Regents of the University of California.  All rights reserved.
  *
diff --git a/bin/date/netdate.c b/bin/date/netdate.c
index d10801947cb4..ab16951e85ac 100644
--- a/bin/date/netdate.c
+++ b/bin/date/netdate.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
  * Copyright (c) 1990, 1993
  *	The Regents of the University of California.  All rights reserved.
  *