Issue #3106654 by kiamlaluno: hook_toolbar() documentation still makes reference to toolbar_pre_render()

core/modules/toolbar/toolbar.api.php

@@ -34,14 +34,14 @@ use Drupal\Core\Url;
  *   - '#weight': Optional. Integer weight used for sorting toolbar items in
  *     administration bar area.
  *
- * This hook is invoked in toolbar_pre_render().
+ * This hook is invoked in Toolbar::preRenderToolbar().
  *
  * @return
  *   An array of toolbar items, keyed by unique identifiers such as 'home' or
  *   'administration', or the short name of the module implementing the hook.
  *   The corresponding value is a render element of type 'toolbar_item'.
  *
- * @see toolbar_pre_render()
+ * @see \Drupal\toolbar\Element\Toolbar::preRenderToolbar()
  * @ingroup toolbar_tabs
  */
 function hook_toolbar() {