diff --git a/app/templates/error/401.html b/app/templates/error/401.html
index c5f513027..74747f50e 100644
--- a/app/templates/error/401.html
+++ b/app/templates/error/401.html
@@ -1,9 +1,9 @@
 {% extends "withoutnav_template.html" %}
-{% block per_page_title %}You are not authorised to see this page{% endblock %}
+{% block per_page_title %}You’re not authorised to see this page{% endblock %}
 {% block maincolumn_content %}
   <div class="grid-row">
     <div class="column-two-thirds">
-    <h1>You are not authorised to see this page</h1>
+    <h1>You’re not authorised to see this page</h1>
       <p><a href="{{ url_for('.sign_in' )}}">Sign in</a> to GOV.UK Notify and try again.</p>
   </div>
 {% endblock %}
diff --git a/app/templates/error/403.html b/app/templates/error/403.html
index 552188430..13b4602b8 100644
--- a/app/templates/error/403.html
+++ b/app/templates/error/403.html
@@ -1,10 +1,10 @@
 {% extends "withoutnav_template.html" %}
-{% block per_page_title %}You are not allowed to see this page{% endblock %}
+{% block per_page_title %}You’re not allowed to see this page{% endblock %}
 {% block maincolumn_content %}
     <div class="grid-row">
       <div class="column-two-thirds">
         <h1 class="heading-large">
-          You are not allowed to see this page
+          You’re not allowed to see this page
         </h1>
         <p>
           To check your permissions, speak to a member of your team who can manage settings, team and usage.
diff --git a/tests/app/main/views/accounts/test_choose_accounts.py b/tests/app/main/views/accounts/test_choose_accounts.py
index b799b063d..80c47e618 100644
--- a/tests/app/main/views/accounts/test_choose_accounts.py
+++ b/tests/app/main/views/accounts/test_choose_accounts.py
@@ -247,7 +247,7 @@ def test_choose_account_should_not_show_back_to_service_link_if_service_archived
     )),
     (service_two, 403, (
         # Page has no ‘back to’ link
-        'You are not allowed to see this page '
+        'You’re not allowed to see this page '
         'To check your permissions, speak to a member of your team who can manage settings, team and usage.'
     )),
 ))
diff --git a/tests/app/main/views/test_accept_invite.py b/tests/app/main/views/test_accept_invite.py
index e46e7a83f..48f807709 100644
--- a/tests/app/main/views/test_accept_invite.py
+++ b/tests/app/main/views/test_accept_invite.py
@@ -415,7 +415,7 @@ def test_signed_in_existing_user_cannot_use_anothers_invite(
         _follow_redirects=True,
         _expected_status=403,
     )
-    assert page.h1.string.strip() == 'You are not allowed to see this page'
+    assert page.h1.string.strip() == 'You’re not allowed to see this page'
     flash_banners = page.find_all('div', class_='banner-dangerous')
     assert len(flash_banners) == 1
     banner_contents = flash_banners[0].text.strip()