diff --git a/app/views/form/check_answers.html.erb b/app/views/form/check_answers.html.erb
index 94f5757b6..75e999ed0 100644
--- a/app/views/form/check_answers.html.erb
+++ b/app/views/form/check_answers.html.erb
@@ -12,6 +12,11 @@
       Check your answers
     </h1>
 
+    <% if subsection.id == "setup" && subsection.status(@case_log) == :completed %>
+      <div class="govuk-inset-text">
+        Changing these answers might remove answers you've already given in other sections.
+      </div>
+    <% end %>
     <%= display_answered_questions_summary(subsection, @case_log) %>
 
     <dl class="govuk-summary-list">