diff --git a/vcf_compressor.sh b/vcf_compressor.sh
index 6b4df2e..99ff3ae 100755
--- a/vcf_compressor.sh
+++ b/vcf_compressor.sh
@@ -1,16 +1,16 @@
 #!/bin/bash
 ## Copyright (c) 2015 Rodolphe Breard
-## 
+##
 ## 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.
-## 
+##
 ## 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 General Public License
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.
 ##