diff --git a/doc/contributors.rdoc b/doc/contributors.rdoc
index ced4eb1..052059b 100644
--- a/doc/contributors.rdoc
+++ b/doc/contributors.rdoc
@@ -597,6 +597,11 @@ Richard M. Stallman
 Robin Stocker
 * documentation
 
+Marcus Stollsteimer
+* a maintainer of www.ruby-lang.org
+* HTML5 tag maker for cgi, and other patches
+* documentation
+
 Adam Strzelecki
 * a patch for compile.c