Updating PR template (#1382)

* Updating PR template

pull_request_template.md

@@ -9,7 +9,7 @@ _You can delete these instructions once you have written your PR description._
 ----
 
 ### Checklist 
-If you can answer "yes" to the following items, please add a checkmark next to the appropriate checklist item(s) **and** notify our WARP documentation team by tagging either @ekiernan or @kayleemathews in a comment on this PR.
+If you can answer "yes" to the following items, please add a checkmark next to the appropriate checklist item(s) **and** notify our WARP team by tagging @broadinstitute/warp-admins in a comment on this PR.
 
 - [ ] Did you add inputs, outputs, or tasks to a workflow?
 - [ ] Did you modify, delete or move: file paths, file names, input names, output names, or task names?