diff -r b63f23766b4f -r aaa89fe98b63 src/spacenav-demo-qt.cpp
--- a/src/spacenav-demo-qt.cpp	Wed Sep 04 23:56:58 2019 +0200
+++ b/src/spacenav-demo-qt.cpp	Thu Oct 24 21:49:24 2019 +0200
@@ -4,8 +4,7 @@
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
+ * the Free Software Foundation, version 3 of the License.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of