Update 'content/2023/extratonalspecial1_en.md'

content/2023/extratonalspecial1_en.md

@@ -34,6 +34,6 @@ summary: Every 2 months, under the name 'extratonal special' the platform for ex
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/H9Dyx-GrBuI?si=SzmwJkPSUTka6lEt" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>
 
-**Danny Tirthdas van der Kleij, joak** and **vitrinekast** will present the results of the extratonal education session that will be held in the afternoon. The workshop, titled "Oud-Charlois PCB-Dérive" conducts an acoustic exploration of Rotterdam waste.
+**Danny Tirthdas van der Kleij, joak** and **vitrinekast** will present the results of the extratonal education session that will be held in the afternoon. The workshop, titled ["Oud-Charlois PCB-Dérive"](https://varia.zone/en/extratonaleducation3.html) conducts an acoustic exploration of Rotterdam waste.
 
 *This event is made possible with the kind support of Popunie Rotterdam, Stichting Volkskracht, Fonds Podiumkunsten, Gemeente Rotterdam and Stimuleringsfonds Creatieve Industrie.*