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-rw-r--r--src/trace/trace.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/trace/trace.cpp b/src/trace/trace.cpp
index 026bbeed7..41380443c 100644
--- a/src/trace/trace.cpp
+++ b/src/trace/trace.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* A generic interface for plugging different
* autotracers into Inkscape.
@@ -9,7 +10,7 @@
*
* Copyright (C) 2004-2006 Bob Jamison
*
- * Released under GNU GPL, read the file 'COPYING' for more information
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include "trace/potrace/inkscape-potrace.h"