diff --git a/src/version_string.h.in b/src/version_string.h.in
index e4d62c77788dbb79e718f54fd5a1da78b90a170e..0bc282e0a3b6ba6fe5bab773c10c12e6d9277c2c 100644
--- a/src/version_string.h.in
+++ b/src/version_string.h.in
@@ -2,20 +2,20 @@
  * This file is part of SWIFT.
  * Copyright (c) 2012 Matthieu Schaller (matthieu.schaller@durham.ac.uk).
  * Copyright (c) 2015 Peter W. Draper (p.w.draper@durham.ac.uk).
- * 
+ *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Lesser General Public License as published
  * by the Free Software Foundation, either version 3 of the License, or
  * (at your option) any later version.
- * 
+ *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
- * 
+ *
  * You should have received a copy of the GNU Lesser General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- * 
+ *
  ******************************************************************************/
 #ifndef SWIFT_VERSION_STRING_H
 #define SWIFT_VERSION_STRING_H