diff --git a/README.md b/README.md
index c397e5c..965820f 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Distributed under the [Boost Software License, Version 1.0](http://www.boost.org
 ### Properties
 
 * C++03
-* Header-Only
+* Mostly header-only, library compilation is required for few features.
 
 ### Build Status