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-rw-r--r--src/extension/internal/cairo-png-out.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/extension/internal/cairo-png-out.cpp b/src/extension/internal/cairo-png-out.cpp
index c7cb9aff5..446e593ca 100644
--- a/src/extension/internal/cairo-png-out.cpp
+++ b/src/extension/internal/cairo-png-out.cpp
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* A quick hack to use the Cairo renderer to write out a file. This
* then makes 'save as...' PNG.
@@ -10,7 +11,7 @@
*
* Copyright (C) 2004-2006 Authors
*
- * Released under GNU GPL, read the file 'COPYING' for more information
+ * Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#ifdef HAVE_CONFIG_H