Clarify Qualtrics issue
Clarify Qualtrics issue

Co-authored-by: nmdefries <b11242bcaacf1d16fed07b57e7bd1c7cfeb44a57@users.noreply.github.com>
cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata,cmu-delphi/delphi-epidata