diff --git a/include/docca/doxygen.xsl b/include/docca/doxygen.xsl
index aca6707c..a3537c7f 100644
--- a/include/docca/doxygen.xsl
+++ b/include/docca/doxygen.xsl
@@ -10,6 +10,8 @@
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-->
+
+
@@ -180,7 +182,7 @@
``['implementation-defined]``
- ``[@http://www.boost.org/doc/libs/1_60_0/doc/html/boost_asio/reference/asynchronous_operations.html#boost_asio.reference.asynchronous_operations.return_type_of_an_initiating_function ['void-or-deduced]]``
+ ``__void_or_deduced__``