Set mime type in link markup

app/views/case_logs/_log_list.html.erb

@@ -3,7 +3,7 @@
     <span class="govuk-!-margin-right-4">
       <strong><%= pagy.count %></strong> total <%= title.downcase %>
     </span>
-    <a class="govuk-link" download href="/logs.csv">Download (CSV)</a>
+    <a class="govuk-link" download href="/logs.csv" type="text/csv">Download (CSV)</a>
   </figcaption>
   <section class="app-table-group" tabindex="0" aria-labelledby="<%= title.dasherize %>">
     <table class="govuk-table">

spec/requests/case_logs_controller_spec.rb

@@ -433,7 +433,7 @@ RSpec.describe CaseLogsController, type: :request do
 
     it "downloads answer labels rather than values" do
       csv = CSV.parse(response.body)
-      expect(csv.second[10]).to eq("Full-time - 30 hours or more")
+      expect(csv.second[10]).to eq("Full-time – 30 hours or more")
     end
   end