diff --git a/include/boost/fusion/support/detail/enabler.hpp b/include/boost/fusion/support/detail/enabler.hpp
index 9dd8b4bb..ea263a41 100644
--- a/include/boost/fusion/support/detail/enabler.hpp
+++ b/include/boost/fusion/support/detail/enabler.hpp
@@ -1,4 +1,4 @@
-/*=============================================================================
+/*=============================================================================
     Copyright (c) 2015 Kohei Takahashi
 
     Distributed under the Boost Software License, Version 1.0. (See accompanying