Updates the key for the translation details

fixes CNVS-14922

test plan:
  - See if Transifex works properly with this file.

Change-Id: I677482d5b631e8cd12f74f8f5f22f092cd1e9f17
Reviewed-on: https://gerrit.instructure.com/39556
Tested-by: Jenkins <jenkins@instructure.com>
Reviewed-by: Jeremy Stanley <jeremy@instructure.com>
Product-Review: Jeremy Stanley <jeremy@instructure.com>
QA-Review: Clare Strong <clare@instructure.com>