diff --git a/www/conservancy/static/supporter/index.html b/www/conservancy/static/supporter/index.html
index e90166745f315562da69d853f7a600bdc02b9399..f62fd1ef565fdbb934db6c7a16ed44e939f8b5c8 100644
--- a/www/conservancy/static/supporter/index.html
+++ b/www/conservancy/static/supporter/index.html
@@ -234,6 +234,7 @@ internal policies</a> are published and available for scrutiny.</p>
                       options to the right first.</small>
                       </div>
 </form>
+<span id="form-correction-needed" class="form-error">Please ensure all form data above is correct.</span>
 </div>
 </div>
 {% endblock %}