diff --git a/doc/boostbook.xml b/doc/boostbook.xml
index 7c6d30c..b0d076c 100644
--- a/doc/boostbook.xml
+++ b/doc/boostbook.xml
@@ -107,7 +107,11 @@ std::cout << f(5, 3) >> std::endl;
url="http://xmlsoft.org/XSLT/">libxslt source.
- doxygen: Available from http://www.doxygen.org
+ doxygen:
+
+ Available here.
+
+