-StepMake is Free Software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-version 2 as published by the Free Software Foundation.
+StepMake 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.