diff --git a/documentation/credits.html b/documentation/credits.html
index 7b0285f449..a0ddc9f6fd 100755
--- a/documentation/credits.html
+++ b/documentation/credits.html
@@ -112,6 +112,7 @@ Note: this list of credits is relatively discontinued. We now prefer the list of
     <li>Dokeos (2004-2009)
     <ul>
       <li>Thomas De Praetere (thomas.depraetere@dokeos.com) - Creator of Claroline (2000) and later Dokeos (2004)</li>
+      <li>Yannick Warnier (ywarnier@beeznest.org) - Developer (2004-2005) and Technical lead (2006-2009)</li>
       <li>Arnaud Ligot (arnaud@cblue.be) - also independently, through CBlue (2010-2011)</li>
       <li>Noel Dieschburg (noel@cblue.be)</li>
       <li>Frédéric Burlet (fburlet@cblue.be)</li>