diff --git a/app/views/supported_permissions/index.html.erb b/app/views/supported_permissions/index.html.erb
index b79e9ced1..18c51f36d 100644
--- a/app/views/supported_permissions/index.html.erb
+++ b/app/views/supported_permissions/index.html.erb
@@ -42,6 +42,14 @@
         'signin' permission is delegated, publishing managers can grant or
         remove access to the given application.
       </p>
+      <p class="govuk-body">
+        You can read more about this in the
+        <a
+          class="govuk-link"
+          href="https://docs.publishing.service.gov.uk/repos/signon/access_and_permissions.html"
+          >access and permissions developer documentation</a
+        >.
+      </p>
     <% end %>
   </div>
 </div>