diff --git a/vp8/encoder/ssim.c b/vp8/encoder/ssim.c
index 35dd10c..dd0c82a 100644
--- a/vp8/encoder/ssim.c
+++ b/vp8/encoder/ssim.c
@@ -1,10 +1,10 @@
 /*
  *  Copyright (c) 2010 The VP8 project authors. All Rights Reserved.
  *
- *  Use of this source code is governed by a BSD-style license 
+ *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may 
+ *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */