diff --git a/Documentation/Usage/Index.rst b/Documentation/Usage/Index.rst
index 571101b..53ee4f1 100644
--- a/Documentation/Usage/Index.rst
+++ b/Documentation/Usage/Index.rst
@@ -31,6 +31,9 @@ The following arguments are accepted:
 * :typoscript:`attributes` (array) - a key / value dictionary with attributes to be rendered in the :html:`<script>` tag
 * :typoscript:`priority` (bool) - defines whether an include is rendered in :html:`<head>` or at the bottom of :html:`<body>`
 
+.. warning::
+   In case Usercentrics version 10 or older is in use, there is no :typoscript:`dataProcessingService` argument. Use :typoscript:`dataServiceProcessor` instead.
+   
 Example:
 
 .. code-block:: typoscript
