diff --git a/src/Plugin/GraphQLCompose/EntityType/Group.php b/src/Plugin/GraphQLCompose/EntityType/Group.php
index b5d218dc37c310b89cb1a36fa74c9d32de6f3d8e..c8d0827af251f9a73bb70cb0b55311c35eb26245 100644
--- a/src/Plugin/GraphQLCompose/EntityType/Group.php
+++ b/src/Plugin/GraphQLCompose/EntityType/Group.php
@@ -9,6 +9,8 @@ use Drupal\graphql_compose\Plugin\GraphQLCompose\GraphQLComposeEntityTypeBase;
 /**
  * {@inheritdoc}
  *
+ * @see https://www.drupal.org/project/group
+ *
  * This is mostly a placeholder entity type.
  * Further works on the groups module is assumed in the future.
  * Probably via another contrib module.
diff --git a/src/Plugin/GraphQLCompose/EntityType/LibraryItem.php b/src/Plugin/GraphQLCompose/EntityType/LibraryItem.php
index 0eec25250ab128bf1ded894af057a9a4577f9f8c..a96679bbede21b29bc59b812a6b5c84f22d0695a 100644
--- a/src/Plugin/GraphQLCompose/EntityType/LibraryItem.php
+++ b/src/Plugin/GraphQLCompose/EntityType/LibraryItem.php
@@ -9,6 +9,8 @@ use Drupal\graphql_compose\Plugin\GraphQLCompose\GraphQLComposeEntityTypeBase;
 /**
  * {@inheritdoc}
  *
+ * @see https://www.drupal.org/project/paragraphs
+ *
  * @GraphQLComposeEntityType(
  *   id = "paragraphs_library_item",
  *   base_fields = {
diff --git a/src/Plugin/GraphQLCompose/EntityType/Paragraph.php b/src/Plugin/GraphQLCompose/EntityType/Paragraph.php
index 2fde01bb91aa4b5662d6a7dae515b4222e09aafa..c225beda52582ddcb35e3fcb62cfa711431012ac 100644
--- a/src/Plugin/GraphQLCompose/EntityType/Paragraph.php
+++ b/src/Plugin/GraphQLCompose/EntityType/Paragraph.php
@@ -9,6 +9,8 @@ use Drupal\graphql_compose\Plugin\GraphQLCompose\GraphQLComposeEntityTypeBase;
 /**
  * {@inheritdoc}
  *
+ * @see https://www.drupal.org/project/paragraphs
+ *
  * @GraphQLComposeEntityType(
  *   id = "paragraph",
  *   prefix = "Paragraph",
diff --git a/src/Plugin/GraphQLCompose/EntityType/Storage.php b/src/Plugin/GraphQLCompose/EntityType/Storage.php
new file mode 100644
index 0000000000000000000000000000000000000000..a7251ee7534051f12624bb4312276909383e2e0a
--- /dev/null
+++ b/src/Plugin/GraphQLCompose/EntityType/Storage.php
@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Drupal\graphql_compose\Plugin\GraphQLCompose\EntityType;
+
+use Drupal\graphql_compose\Plugin\GraphQLCompose\GraphQLComposeEntityTypeBase;
+
+/**
+ * {@inheritdoc}
+ *
+ * @see https://www.drupal.org/project/storage
+ *
+ * @GraphQLComposeEntityType(
+ *   id = "storage",
+ *   prefix = "Storage",
+ *   base_fields = {
+ *     "langcode" = {},
+ *     "created" = {},
+ *     "changed" = {},
+ *     "published_at" = {},
+ *     "status" = {},
+ *     "name" = {
+ *       "field_type" = "entity_label",
+ *     },
+ *   },
+ * )
+ */
+class Storage extends GraphQLComposeEntityTypeBase {
+
+}