diff --git a/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php b/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
index b05cf03..5843f5b 100644
--- a/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
+++ b/core/modules/system/src/Plugin/Block/SystemBrandingBlock.php
@@ -88,8 +88,7 @@ public function blockForm($form, FormStateInterface $form_state) {
 
     // Provide links to the theme settings pages if the user has access.
     $system_theme_settings_url = Url::fromRoute('system.theme_settings');
-    $block_theme_settings_url = Url::fromRoute('system.theme_settings_theme');
-    $block_theme_settings_url->setRouteParameter('theme', $theme);
+    $block_theme_settings_url = Url::fromRoute('system.theme_settings_theme', ['theme' => $theme]);
     if ($system_theme_settings_url->access() && $block_theme_settings_url->access()) {
       $form['block_branding']['use_site_logo']['#description'] = $this->t('Defined on the <a href=":appearance">Appearance Settings</a> or <a href=":theme">Theme Settings</a> page.', [
         ':appearance' => $system_theme_settings_url->toString(),
@@ -111,7 +110,7 @@ public function blockForm($form, FormStateInterface $form_state) {
     // Provide link to the site settings page if the user has access.
     $site_settings_url = Url::fromRoute('system.site_information_settings');
     if ($site_settings_url->access()) {
-      $description = $this->t('Defined on the <a href=":site-settings">Basic site settings</a> page.', [
+      $description = $this->t('Defined on the <a href=":site-settings">Site Information</a> page.', [
         ':site-settings' => $site_settings_url->toString(),
       ]);
       $form['block_branding']['use_site_name']['#description'] = $description;