diff --git a/app/templates/views/service-settings/email-reply-to/edit.html b/app/templates/views/service-settings/email-reply-to/edit.html
index 860e701be..4687dc022 100644
--- a/app/templates/views/service-settings/email-reply-to/edit.html
+++ b/app/templates/views/service-settings/email-reply-to/edit.html
@@ -12,7 +12,7 @@
 
   {% if confirm_delete %}
     <div class="bottom-gutter">
-      {% call banner_wrapper(type='dangerous', subhead="Are you sure you want to delete this email reply to address?") %}
+      {% call banner_wrapper(type='dangerous', subhead="Are you sure you want to delete this email reply-to address?") %}
         <form method='post'>
           <input type="hidden" name="csrf_token" value="{{ csrf_token() }}" />
           <input type="submit" class="button" name="delete" value="Confirm" />
@@ -32,7 +32,7 @@
     ) }}
     {% if form.is_default.data %}
       <p class="form-group">
-        This is the default reply to address for {{ current_service.name }} emails
+        This is the default reply-to address for {{ current_service.name }} emails
       </p>
       {{ page_footer(
         'Save',
diff --git a/app/templates/views/service-settings/request-to-go-live.html b/app/templates/views/service-settings/request-to-go-live.html
index 4423de949..2833dac48 100644
--- a/app/templates/views/service-settings/request-to-go-live.html
+++ b/app/templates/views/service-settings/request-to-go-live.html
@@ -33,7 +33,7 @@
         {% if has_email_templates %}
           {{ tick_cross_done_not_done(
             has_email_reply_to_address,
-            'Add an <a href="{}">email reply to address</a>'.format(
+            'Add an <a href="{}">email reply-to address</a>'.format(
               url_for('main.service_email_reply_to', service_id=current_service.id)
             )|safe,
           ) }}
diff --git a/tests/app/main/views/test_service_settings.py b/tests/app/main/views/test_service_settings.py
index 12974d332..a63c4e0b7 100644
--- a/tests/app/main/views/test_service_settings.py
+++ b/tests/app/main/views/test_service_settings.py
@@ -55,7 +55,7 @@ def mock_get_service_settings_page_common(
 
         'Label Value Action',
         'Send emails On Change',
-        'Email reply to addresses Not set Change',
+        'Email reply-to addresses Not set Change',
         'Email branding GOV.UK Change',
 
         'Label Value Action',
@@ -77,7 +77,7 @@ def mock_get_service_settings_page_common(
 
         'Label Value Action',
         'Send emails On Change',
-        'Email reply to addresses Not set Change',
+        'Email reply-to addresses Not set Change',
         'Email branding GOV.UK Change',
 
         'Label Value Action',
@@ -138,7 +138,7 @@ def test_should_show_overview(
 
         'Label Value Action',
         'Send emails On Change',
-        'Email reply to addresses test@example.com Manage',
+        'Email reply-to addresses test@example.com Manage',
         'Email branding GOV.UK Change',
 
         'Label Value Action',
@@ -159,7 +159,7 @@ def test_should_show_overview(
 
         'Label Value Action',
         'Send emails On Change',
-        'Email reply to addresses test@example.com Manage',
+        'Email reply-to addresses test@example.com Manage',
         'Email branding GOV.UK Change',
 
         'Label Value Action',
@@ -514,8 +514,8 @@ def test_should_raise_duplicate_name_handled(
 @pytest.mark.parametrize('count_of_email_templates, reply_to_email_addresses, expected_reply_to_checklist_item', [
     pytest.mark.xfail((0, [], ''), raises=IndexError),
     pytest.mark.xfail((0, [{}], ''), raises=IndexError),
-    (1, [], 'Not done: Add an email reply to address'),
-    (1, [{}], 'Done: Add an email reply to address'),
+    (1, [], 'Not done: Add an email reply-to address'),
+    (1, [{}], 'Done: Add an email reply-to address'),
 ])
 def test_should_show_request_to_go_live_checklist(
     client_request,
@@ -816,7 +816,7 @@ def test_and_more_hint_appears_on_settings_with_more_than_just_a_single_sender(
             page.select('tbody tr')[index].text
         )
 
-    assert get_row(page, 3) == "Email reply to addresses test@example.com …and 2 more Manage"
+    assert get_row(page, 3) == "Email reply-to addresses test@example.com …and 2 more Manage"
     assert get_row(page, 6) == "Text message sender Example …and 2 more Manage"
     assert get_row(page, 11) == "Sender addresses 1 Example Street …and 2 more Manage"
 
@@ -901,7 +901,7 @@ def test_default_option_shows_for_default_sender(
     (
         'main.service_email_reply_to',
         no_reply_to_email_addresses,
-        'You haven’t added any email reply to addresses yet'
+        'You haven’t added any email reply-to addresses yet'
     ),
     (
         'main.service_letter_contact_details',
@@ -1226,7 +1226,7 @@ def test_confirm_delete_reply_to_email_address(
     )
 
     assert normalize_spaces(page.select_one('.banner-dangerous').text) == (
-        'Are you sure you want to delete this email reply to address?'
+        'Are you sure you want to delete this email reply-to address?'
     )
     assert 'action' not in page.select_one('.banner-dangerous form')
     assert page.select_one('.banner-dangerous form')['method'] == 'post'
@@ -1320,14 +1320,14 @@ def test_edit_sms_sender(
     (
         'main.service_edit_email_reply_to',
         get_default_reply_to_email_address,
-        'This is the default reply to address for service one emails',
+        'This is the default reply-to address for service one emails',
         'reply_to_email_id',
         False
     ),
     (
         'main.service_edit_email_reply_to',
         get_non_default_reply_to_email_address,
-        'This is the default reply to address for service one emails',
+        'This is the default reply-to address for service one emails',
         'reply_to_email_id',
         True
     ),