diff --git a/core/modules/search/lib/Drupal/search/Plugin/Block/SearchBlock.php b/core/modules/search/lib/Drupal/search/Plugin/Block/SearchBlock.php
index c977ba1..763299f 100644
--- a/core/modules/search/lib/Drupal/search/Plugin/Block/SearchBlock.php
+++ b/core/modules/search/lib/Drupal/search/Plugin/Block/SearchBlock.php
@@ -20,7 +20,8 @@
  *
  * @Block(
  *   id = "search_form_block",
- *   admin_label = @Translation("Search form")
+ *   admin_label = @Translation("Search form"),
+ *   category = @Translation("Form")
  * )
  */
 class SearchBlock extends BlockBase implements ContainerFactoryPluginInterface {
diff --git a/core/modules/shortcut/lib/Drupal/shortcut/Plugin/Block/ShortcutsBlock.php b/core/modules/shortcut/lib/Drupal/shortcut/Plugin/Block/ShortcutsBlock.php
index e6c9bb4..f146c5b 100644
--- a/core/modules/shortcut/lib/Drupal/shortcut/Plugin/Block/ShortcutsBlock.php
+++ b/core/modules/shortcut/lib/Drupal/shortcut/Plugin/Block/ShortcutsBlock.php
@@ -15,8 +15,9 @@
  * Provides a 'Shortcut' block.
  *
  * @Block(
- *  id = "shortcuts",
- *  admin_label = @Translation("Shortcuts")
+ *   id = "shortcuts",
+ *   admin_label = @Translation("Shortcuts"),
+ *   category = @Translation("Menu")
  * )
  */
 class ShortcutsBlock extends BlockBase {
diff --git a/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php b/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php
index b3de132..2e06d65 100644
--- a/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php
+++ b/core/modules/user/lib/Drupal/user/Plugin/Block/UserLoginBlock.php
@@ -20,7 +20,8 @@
  *
  * @Block(
  *   id = "user_login_block",
- *   admin_label = @Translation("User login")
+ *   admin_label = @Translation("User login"),
+ *   category = @Translation("Form")
  * )
  */
 class UserLoginBlock extends BlockBase implements ContainerFactoryPluginInterface {