diff --git a/wagtail/wagtailadmin/templates/wagtailadmin/page_view_restrictions/set_view_restrictions.html b/wagtail/wagtailadmin/templates/wagtailadmin/page_view_restrictions/set_view_restrictions.html
index f3efa3699..632c34f1b 100644
--- a/wagtail/wagtailadmin/templates/wagtailadmin/page_view_restrictions/set_view_restrictions.html
+++ b/wagtail/wagtailadmin/templates/wagtailadmin/page_view_restrictions/set_view_restrictions.html
@@ -27,4 +27,5 @@
         </ul>
         <input type="submit" value="Set restriction">
     </form>
+    <p>{% trans "Access restrictions will take effect on this page and all child pages." %}</p>
 </div>