diff --git a/templates/lnurlp/index.html b/templates/lnurlp/index.html
index 103ae1b..544b332 100644
--- a/templates/lnurlp/index.html
+++ b/templates/lnurlp/index.html
@@ -105,7 +105,10 @@
         </q-input>
         <div class="row">
           <div class="col">
-            <q-input filled dense v-model.trim="formDialog.data.username" type="text" label="Lightning Address" />
+            <q-input filled dense v-model.trim="formDialog.data.username" type="text" label="Lightning Address" @input="formDialog.data.username = formDialog.data.username.toLowerCase()" />
+            <span class="label">
+            &nbsp; @ {% raw %} {{ domain }} {% endraw %}
+            </span>
           </div>
           <div class="col" style="margin-top: 10px">
             <span class="label">
@@ -250,4 +253,4 @@
 </div>
 {% endblock %} {% block scripts %} {{ window_vars(user) }}
 <script src="/lnurlp/static/js/index.js"></script>
-{% endblock %}
\ No newline at end of file
+{% endblock %}