X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/02a33248dc5981a63931530a57c76ff27464bde5..a85c067ba6c6940512cf57ec213277a370d87e70:/src/src/pdkim/signing.c

diff --git a/src/src/pdkim/signing.c b/src/src/pdkim/signing.c
index d78f31acf..8876f617c 100644
--- a/src/src/pdkim/signing.c
+++ b/src/src/pdkim/signing.c
@@ -1,6 +1,7 @@
 /*
  *  PDKIM - a RFC4871 (DKIM) implementation
  *  Copyright (c) The Exim Maintainers 1995 - 2022
+ *  SPDX-License-Identifier: GPL-2.0-only
  *
  *  signing/verification interface
  */