Update documentation on contextual links

README.md

@@ -184,12 +184,12 @@ drush ev "print_r(array_keys(\Drupal::service('plugin.manager.block')->getDefini
 ```twig
 {# Basic usage. #}
 <div class="contextual-region">
-  {{ contextual_links('entity.view.edit_form:view=frontpage&display_id=feed_1') }}
+  {{ drupal_contextual_links('entity.view.edit_form:view=frontpage&display_id=feed_1:') }}
   {{ drupal_view('frontpage') }}
 </div>
 {# Multiple links. #}
 <div class="contextual-region">
-  {{ contextual_links('node:node=123|block_content:block_content=123') }}
+  {{ drupal_contextual_links('node:node=123|block_content:block_content=123:') }}
   {{ content }}
 </div>
 ```