6 files changed, 18 insertions, 6 deletions
diff --git a/lib/libc/nameser/ns_name.c b/lib/libc/nameser/ns_name.c
index 5b8a8cb2b17c..e5f50b3c8da4 100644
--- a/lib/libc/nameser/ns_name.c
+++ b/lib/libc/nameser/ns_name.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: ISC
+ *
  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
  * Copyright (c) 1996,1999 by Internet Software Consortium.
  *
diff --git a/lib/libc/nameser/ns_netint.c b/lib/libc/nameser/ns_netint.c
index 5ddd5bc6c646..fc179e225288 100644
--- a/lib/libc/nameser/ns_netint.c
+++ b/lib/libc/nameser/ns_netint.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: ISC
+ *
  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
  * Copyright (c) 1996,1999 by Internet Software Consortium.
  *
diff --git a/lib/libc/nameser/ns_parse.c b/lib/libc/nameser/ns_parse.c
index 7294c9298b67..7a3382ed7703 100644
--- a/lib/libc/nameser/ns_parse.c
+++ b/lib/libc/nameser/ns_parse.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: ISC
+ *
  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
  * Copyright (c) 1996,1999 by Internet Software Consortium.
  *
diff --git a/lib/libc/nameser/ns_print.c b/lib/libc/nameser/ns_print.c
index 27d653871176..52f13e2673c7 100644
--- a/lib/libc/nameser/ns_print.c
+++ b/lib/libc/nameser/ns_print.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: ISC
+ *
  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
  * Copyright (c) 1996-1999 by Internet Software Consortium.
  *
diff --git a/lib/libc/nameser/ns_samedomain.c b/lib/libc/nameser/ns_samedomain.c
index 549b773cd9a7..858d0d1436a5 100644
--- a/lib/libc/nameser/ns_samedomain.c
+++ b/lib/libc/nameser/ns_samedomain.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: ISC
+ *
  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
  * Copyright (c) 1995,1999 by Internet Software Consortium.
  *
diff --git a/lib/libc/nameser/ns_ttl.c b/lib/libc/nameser/ns_ttl.c
index da7df67bf52f..2ebbcc4f8c17 100644
--- a/lib/libc/nameser/ns_ttl.c
+++ b/lib/libc/nameser/ns_ttl.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: ISC
+ *
  * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
  * Copyright (c) 1996,1999 by Internet Software Consortium.
  *