diff --git a/build/boost/doc/acknowledgements.qbk b/build/boost/doc/acknowledgements.qbk
index e590aac..e42e2e1 100644
--- a/build/boost/doc/acknowledgements.qbk
+++ b/build/boost/doc/acknowledgements.qbk
@@ -1,5 +1,5 @@
 [section Acknowledgements]
 
-Many thanks to Adrien Gervaise and Silvin Lubecki ! 
+Many thanks to Adrien Gervaise, Silvin Lubecki and Takatoshi Kondo ! 
 
 [endsect]