diff --git a/README.md b/README.md
index 4dff440..cbb052b 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # rapidxml
-A XML Parsing library for D Programming Language.
+A XML Parsing library for D Programming Language. Ported from C++ [rapidxml](http://rapidxml.sourceforge.net).
 
 # Example