Fix twig token

templates/settings.php.twig

@@ -8,7 +8,7 @@ $databases = array (
       'database' => '{{ db.host }}',
       'username' => '{{ db.username }}',
       'password' => '{{ db.password }}',
-      'host' => '{{ db:host }}',
+      'host' => '{{ db.host }}',
       'port' => '{{ db.port }}',
       'prefix' => '{{ db.prefix }}',
     ),