diff --git a/pmd/xdocs/credits.xml b/pmd/xdocs/credits.xml
index c964c0a91c..05a8777378 100644
--- a/pmd/xdocs/credits.xml
+++ b/pmd/xdocs/credits.xml
@@ -38,6 +38,7 @@
         </subsection>
         <subsection name="Contributors">
         <ul>
+            <li>Sigiswald Madou - bug report</li>
             <li>Dan Tullis - bug report</li>
             <li>George Menhorn - CPD bug reports and suggestions</li>
             <li>Paul Roebuck - Ant build improvement, several bug reports</li>