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-rw-r--r--src/conn-avoid-ref.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/conn-avoid-ref.cpp b/src/conn-avoid-ref.cpp
index 6e30506ec..087bd93fa 100644
--- a/src/conn-avoid-ref.cpp
+++ b/src/conn-avoid-ref.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* A class for handling shape interaction with libavoid.
*
@@ -7,7 +8,7 @@
*
* Copyright (C) 2005 Michael Wybrow
*
- * Released under GNU GPL, read the file 'COPYING' for more information
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/