diff --git a/development/astyle/astyle.SlackBuild b/development/astyle/astyle.SlackBuild
index 8db5ad81a6..fb67c2a536 100644
--- a/development/astyle/astyle.SlackBuild
+++ b/development/astyle/astyle.SlackBuild
@@ -14,7 +14,7 @@
 
 # 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
+# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version, with the following exception:
 # the text of the GPL license may be omitted.