Update positions.yml

Author: WafaJohal

_data/positions.yml

@@ -14,7 +14,7 @@
   apply_url: "https://forms.gle/rzrKGn8eRCTGs5rQA"
   details: |
     The School of Computing and Information Systems at the University of Melbourne is looking for an outstanding applicant for a PhD position to conduct research in Human-AI Interaction / Human-Robot Interaction, and to contribute to research projects under the supervision of A/Prof Wafa Johal.
-
+   
     ### Description
 
     The Collaborative Human-Robot Interaction (CHRI) research group is offering PhD positions to excellent candidates on a project that investigates **autonomy and agency in human-AI and human-robot interaction**, with topics such as **delegation, oversight and alignment**.
@@ -69,6 +69,8 @@
 
     Complete the [application form](https://forms.gle/rzrKGn8eRCTGs5rQA), answer all questions, and upload the following mandatory documents:
 
+    !! Please do not send us your application by email. 
+    
     - A detailed CV
     - Academic transcripts from your Bachelor's and Master's degrees
     - Email addresses of at least two referees