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

diff --git a/src/src/pdkim/signing.h b/src/src/pdkim/signing.h
index ed6f397ce..880342b6f 100644
--- a/src/src/pdkim/signing.h
+++ b/src/src/pdkim/signing.h
@@ -2,6 +2,7 @@
  *  PDKIM - a RFC4871 (DKIM) implementation
  *
  *  Copyright (C) 1995 - 2020  Exim maintainers
+ *  SPDX-License-Identifier: GPL-2.0-only
  *
  *  RSA signing/verification interface
  */