diff --git a/plinth/modules/letsencrypt/templates/letsencrypt.html b/plinth/modules/letsencrypt/templates/letsencrypt.html
index 408b3c1d2..69a91fab7 100644
--- a/plinth/modules/letsencrypt/templates/letsencrypt.html
+++ b/plinth/modules/letsencrypt/templates/letsencrypt.html
@@ -270,7 +270,7 @@
               </noscript>
             {% else %}
               <input type="checkbox" name="matrixsynapse" id="matrixsynapse"
-                     class="disabled"></input>
+                     disabled></input>
               <noscript>
                 <button class="btn btn-sm btn-default disabled" type="submit">
                   {% trans "Update config" %}</button>
@@ -294,7 +294,7 @@
           {% if 'matrixsynapse' in installed_modules and 'enabled' in status.current_domain.manage_hooks_status %}
             {% blocktrans trimmed %}
               If enabled, the app <a href="{{ matrixsynapse_url }}">Matrix Synapse</a>
-	            will also use the same Let's Encrypt certificate.
+	      will also use the same Let's Encrypt certificate.
               Other Matrix Synapse instances running version 1.0 or greater expect
               your server to produce a valid TLS certificate. Federation with other
               instances will not work without this.