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-rw-r--r--usr.bin/rwall/rwall.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/usr.bin/rwall/rwall.c b/usr.bin/rwall/rwall.c
index c235ea72e560..2daa6a8b6ea7 100644
--- a/usr.bin/rwall/rwall.c
+++ b/usr.bin/rwall/rwall.c
@@ -1,4 +1,6 @@
-/*
+/*-
+ * SPDX-License-Identifier: BSD-4-Clause
+ *
* Copyright (c) 1993 Christopher G. Demetriou
* Copyright (c) 1988, 1990 Regents of the University of California.
* All rights reserved.