changing "join organization of workshop" -> "join workshop"

Author: Matthias Galle

en/pages/contact.md

@@ -2,6 +2,6 @@
 
 You can **stay informed** about the projet by [entering your email here](https://docs.google.com/forms/d/e/1FAIpQLSe3gYSfNX6aKFwDVKdp-42w2kAldasdFjMJnHCUTdlgo-5lqQ/viewform).
 
-You can **ask to join the organization of the workshop** by filling this [Google Form](https://docs.google.com/forms/d/e/1FAIpQLSdF68oPkylNhwrnyrdctdcs0831OULetgfYtr-aVxBg053zqA/viewform?usp=pp_url).
+You can **ask to join the workshop** by filling this [Google Form](https://docs.google.com/forms/d/e/1FAIpQLSdF68oPkylNhwrnyrdctdcs0831OULetgfYtr-aVxBg053zqA/viewform?usp=pp_url).
 
 You can contact the organizers at the following email: bigscience-contact [at] googlegroups [dot] com