Update transformation.md

tech/docs/technical_components/transformation.md

@@ -33,7 +33,7 @@ The specific requirements these components have to fulfil are:
 We have deployed to SWR:
 
 - [hale studio](https://github.com/halestudio/hale/){target=_blank}, a proven ETL tool optimised for working with complex structured data, such as XML, relational databases, or a wide range of tabular formats. It supports all required procedures for semantic and structural transformation. It can also handle reprojection. While Hale Studio exists as a multi-platform interactive application, its capabilities can be provided through a web service with an OpenAPI.
-- A comprehensive tutorial video on [Soil Data harmonisation with hale studio can be found here](https://www.youtube.com/watch?v=U1lxzlUquE8&list=PLoyBfgUelhNOwA_GGkd4hSwDnwNhxGC87&index=3){target=_blank}
+- A comprehensive tutorial video on [soil data harmonisation with hale studio can be found here](https://www.youtube.com/watch?v=U1lxzlUquE8&list=PLoyBfgUelhNOwA_GGkd4hSwDnwNhxGC87&index=3){target=_blank}
 
 Furthermore, we plan to deploy: