diff --git a/app/views/comment_mailer/_footer.html.haml b/app/views/comment_mailer/_footer.html.haml
index ddbe423da..d54797cb7 100644
--- a/app/views/comment_mailer/_footer.html.haml
+++ b/app/views/comment_mailer/_footer.html.haml
@@ -4,7 +4,7 @@
   for the public good.
   = link_to "View this application on PlanningAlerts", application_url(comment.application, protocol: "https")
 
-%h4 Important Privacy Notice - Please Read
+%h3 Important Privacy Notice - Please Read
 
 %p
   The email address and street address are provided to
diff --git a/app/views/comment_mailer/_notify_authority.html.haml b/app/views/comment_mailer/_notify_authority.html.haml
index fef84889e..382e0f7c9 100644
--- a/app/views/comment_mailer/_notify_authority.html.haml
+++ b/app/views/comment_mailer/_notify_authority.html.haml
@@ -20,7 +20,7 @@
     %th{ scope: "row", align: "left", valign: "top" } Email of commenter:
     %td{ valign: "top" }= comment.email
 
-%h4 Comment
+%h3 Comment
 = comment_as_html(comment.text)
 
 %hr
diff --git a/spec/features/comment_to_authority_spec.rb b/spec/features/comment_to_authority_spec.rb
index 657c8eeb8..be87734cd 100644
--- a/spec/features/comment_to_authority_spec.rb
+++ b/spec/features/comment_to_authority_spec.rb
@@ -98,6 +98,13 @@
           expect(page).to have_content("I think this is a really good ideas")
         end
 
+        describe "accessibility tests", js: true do
+          it "main content passes" do
+            # Limiting check to main content to ignore (for the time being) colour contrast issues with the header and footer
+            expect(page).to be_axe_clean.within("main")
+          end
+        end
+
         it "is not immediately publically visible in the comments section" do
           visit(application_path(application))
           within("#comments") do
diff --git a/spec/mailers/regression/comment_mailer/email1.html b/spec/mailers/regression/comment_mailer/email1.html
index a276b19be..8c531f298 100644
--- a/spec/mailers/regression/comment_mailer/email1.html
+++ b/spec/mailers/regression/comment_mailer/email1.html
@@ -25,7 +25,7 @@
 <td valign='top'>foo@bar.com</td>
 </tr>
 </table>
-<h4>Comment</h4>
+<h3>Comment</h3>
 <p>It's a good thing.</p>
 
 <p>Oh yes it is.</p>
@@ -36,7 +36,7 @@ <h4>Comment</h4>
 for the public good.
 <a href="https://dev.planningalerts.org.au/applications/123">View this application on PlanningAlerts</a>
 </p>
-<h4>Important Privacy Notice - Please Read</h4>
+<h3>Important Privacy Notice - Please Read</h3>
 <p>
 The email address and street address are provided to
 Foobar Shire Council