diff --git a/modules/material/themes/material/expirychecker/about2expire.twig b/modules/material/themes/material/expirychecker/about2expire.twig
index f009355..fdfbf40 100644
--- a/modules/material/themes/material/expirychecker/about2expire.twig
+++ b/modules/material/themes/material/expirychecker/about2expire.twig
@@ -6,45 +6,45 @@
   {% include 'header.twig' %}
 </head>
 <body>
-  <div class="mdl-layout mdl-layout--fixed-header fill-viewport">
-    <header class="mdl-layout__header">
-      <div class="mdl-layout__header-row">
+<div class="mdl-layout mdl-layout--fixed-header fill-viewport">
+  <header class="mdl-layout__header">
+    <div class="mdl-layout__header-row">
         <span class="mdl-layout-title">
           {{ '{about2expire:header}'|trans }}
         </span>
-      </div>
-    </header>
-    <main class="mdl-layout__content" layout-children="column">
-      <form layout-children="column">
-        {% for name, value in formData %}
-          <input type="hidden" name="{{ name|e }}" value="{{ value|e }}">
-        {% endfor %}
+    </div>
+  </header>
+  <main class="mdl-layout__content" layout-children="column">
+    <form layout-children="column">
+      {% for name, value in formData %}
+        <input type="hidden" name="{{ name|e }}" value="{{ value|e }}">
+      {% endfor %}
 
-        <p class="mdl-typography--title margin">
-          {% if daysLeft < 2 %}
-            {{ '{about2expire:expiring_in_a_day}'|trans }}
-          {% else %}
-            {{ '{about2expire:expiring_soon}'|trans({'%daysLeft%': daysLeft}) }}
-          {% endif %}
-        </p>
+      <p class="mdl-typography--title margin">
+        {% if daysLeft < 2 %}
+          {{ '{about2expire:expiring_in_a_day}'|trans }}
+        {% else %}
+          {{ '{about2expire:expiring_soon}'|trans({'%daysLeft%': daysLeft}) }}
+        {% endif %}
+      </p>
 
-        <p class="mdl-typography--body-1">
-          {{ '{about2expire:change_now}'|trans }}
-        </p>
+      <p class="mdl-typography--body-1">
+        {{ '{about2expire:change_now}'|trans }}
+      </p>
 
-        <div class="fill-parent" layout-children="row" child-spacing="space-around">
-          <button name="continue" class="mdl-button mdl-button--raised">
-            {{ '{about2expire:button_continue}'|trans }}
-          </button>
+      <div class="fill-parent" layout-children="row" child-spacing="space-around">
+        <button name="continue" type="submit" class="mdl-button mdl-button--raised">
+          {{ '{about2expire:button_continue}'|trans }}
+        </button>
 
-          <button name="changepwd" class="mdl-button mdl-button--raised mdl-button--primary">
-            {{ '{about2expire:button_change}'|trans }}
-          </button>
-        </div>
-      </form>
-    </main>
+        <button name="changepwd" type="submit" class="mdl-button mdl-button--raised mdl-button--primary">
+          {{ '{about2expire:button_change}'|trans }}
+        </button>
+      </div>
+    </form>
+  </main>
 
-    {% include 'footer.twig' %}
-  </div>
+  {% include 'footer.twig' %}
+</div>
 </body>
 </html>
