diff --git a/core/modules/block/block.module b/core/modules/block/block.module
index 04e191e..561bf1b 100644
--- a/core/modules/block/block.module
+++ b/core/modules/block/block.module
@@ -43,7 +43,7 @@ function block_help($route_name, RouteMatchInterface $route_match) {
   if ($route_name == 'block.admin_display' || $route_name == 'block.admin_display_theme') {
     $demo_theme = $route_match->getParameter('theme') ?: \Drupal::config('system.theme')->get('default');
     $themes = \Drupal::service('theme_handler')->listInfo();
-    $output = '<p>' . t('You need to place the blocks specifically for each theme because not all themes implement or display the same regions in the same way. Changes will not be saved until you click <em>Save blocks</em> at the bottom of the page.') . '</p>';
+    $output = '<p>' . t('Block placement is specific to each theme on your site. Changes will not be saved until you click <em>Save blocks</em> at the bottom of the page.') . '</p>';
     $output .= '<p>' . \Drupal::l(t('Demonstrate block regions (@theme)', array('@theme' => $themes[$demo_theme]->info['name'])), new Url('block.admin_demo', array('theme' => $demo_theme))) . '</p>';
     return $output;
   }