diff --git a/doc/deriv.xml b/doc/deriv.xml
index 99e3fb6..d1a3e2b 100644
--- a/doc/deriv.xml
+++ b/doc/deriv.xml
@@ -38,5 +38,9 @@ UMLGraph diagrams in
Sketchlet is using UMLGraph as a widget plugin. You can find a video about the Sketchlet UMLGraph widget usage at http://www.youtube.com/watch?v=H6lrgSYyzE0.
+
+argouml-graphviz
+is a plugin to let ArgoUML generate graphviz files.
+