diff --git a/docs/software-developer-documentation/server-side-extensions/dss-dropboxes.md b/docs/software-developer-documentation/server-side-extensions/dss-dropboxes.md
index 5b2688ee702c97d07fac07eb4cb000e7bf9c516c..43ddc75c9aeb7220a0b0d9eb11f5fdb1f365e28b 100644
--- a/docs/software-developer-documentation/server-side-extensions/dss-dropboxes.md
+++ b/docs/software-developer-documentation/server-side-extensions/dss-dropboxes.md
@@ -709,7 +709,7 @@ to the core plugin in a sub-folder `lib/`.
 Validation scripts
 ------------------
 
-See [Jython DataSetValidator](https://unlimited.ethz.ch/display/openBISDoc2010/Jython+DataSetValidator).
+See [Jython DataSetValidator](../../uncategorized/jython-datasetvalidator.md).
 
 Global Thread Parameters
 ------------------------