Update _index.md

Author: arianna-bis

content/authors/Gabriele Sarti/_index.md

@@ -77,10 +77,11 @@ email: 'gabriele.sarti996@gmail.com'
 # Organizational groups that you belong to (for People widget)
 #   Set this to `[]` or comment out if you are not using People widget.
 user_groups:
-  - PhDs
+  - Past members
+  # - PhDs
   # - Visitors
 ---
 
 Gabriele is a PhD student at the Computational Linguistics Group of the University of Groningen and member of the [InDeep consortium](https://projects.illc.uva.nl/indeep/), working on user-centric interpretability for neural machine translation. He is also the main developer of the [Inseq](https://github.com/inseq-team/inseq) library. His supervisors are [Arianna Bisazza](https://www.cs.rug.nl/~bisazza/), [Malvina Nissim](https://malvinanissim.github.io/) and [Grzegorz Chrupała](https://grzegorz.chrupala.me/).
 
-For more details, check his [homepage](https://gsarti.com/).
+For more details, check his [homepage](https://gsarti.com/).