diff --git a/app/views/admin/reserved_domains/_form.html.erb b/app/views/admin/reserved_domains/_form.html.erb
index 802024c70..6dd266566 100644
--- a/app/views/admin/reserved_domains/_form.html.erb
+++ b/app/views/admin/reserved_domains/_form.html.erb
@@ -24,6 +24,7 @@
                         </div>
                         <div class="col-md-7">
                             <%= f.text_field(:password, placeholder: t(:optional), class: 'form-control') %>
+                            <span class="help-block"><%= t '.password_hint' %></span>
                         </div>
                     </div>
                 </div>
diff --git a/config/locales/admin/reserved_domains.en.yml b/config/locales/admin/reserved_domains.en.yml
index 7648776a8..cc1a3c4d7 100644
--- a/config/locales/admin/reserved_domains.en.yml
+++ b/config/locales/admin/reserved_domains.en.yml
@@ -5,3 +5,6 @@ en:
         title: Reserved domains
         new_btn: New reserved domain
         reset_btn: Reset
+
+      form:
+        password_hint: Generated automatically if left blank