diff --git a/app/templates/views/service-settings/set-inbound-api.html b/app/templates/views/service-settings/set-inbound-api.html
index e858e20a2..0609ff126 100644
--- a/app/templates/views/service-settings/set-inbound-api.html
+++ b/app/templates/views/service-settings/set-inbound-api.html
@@ -7,29 +7,32 @@
 {% endblock %}
 
 {% block maincolumn_content %}
+  <div class="grid-row">
+    <div class="column-five-sixths">
+      <h1 class="heading-large">API endpoint for received text messages</h1>
+      <p>
+        This is the https url that the inbound SMS messages will be posted to
+          and the bearer token used in the authorisation header of the request.
+      </p>
 
-  <h1 class="heading-large">Inbound API</h1>
-  <p>
-    This is the https url that the inbound SMS messages will be posted to
-      and the bearer token used in the authorisation header of the request.
-  </p>
-
-  <form method="post">
-    {{ textbox(
-      form.url,
-      width='1-4',
-      hint='Valid https url'
-    ) }}
-    {{ textbox(
-      form.bearer_token,
-      width='1-4',
-      hint='At least 10 characters'
-    ) }}
-      {{ page_footer(
-      'Save',
-      back_link=url_for('.service_settings', service_id=current_service.id),
-      back_link_text='Back to settings'
-  ) }}
-  </form>
+      <form method="post">
+        {{ textbox(
+          form.url,
+          width='2-3',
+          hint='Valid https url'
+        ) }}
+        {{ textbox(
+          form.bearer_token,
+          width='1-4',
+          hint='At least 10 characters'
+        ) }}
+          {{ page_footer(
+          'Save',
+          back_link=url_for('.service_settings', service_id=current_service.id),
+          back_link_text='Back to settings'
+      ) }}
+      </form>
+    </div>
+  </div>
 
 {% endblock %}
\ No newline at end of file