diff --git a/test/array_constexpr.cpp b/test/array_constexpr.cpp
index a311005..48995c9 100644
--- a/test/array_constexpr.cpp
+++ b/test/array_constexpr.cpp
@@ -3,7 +3,7 @@
  * Distributed under the Boost Software License, Version 1.0. (See
  * accompanying file LICENSE_1_0.txt or copy at
  * http://www.boost.org/LICENSE_1_0.txt)
- */
+ */ 
 
 #include <string>
 #include <iostream>