diff --git a/core/lib/Drupal/Core/Field/FormatterInterface.php b/core/lib/Drupal/Core/Field/FormatterInterface.php
index a60ffa65f8514984bf7a615cc8588deccbbf7c6a..149438c3e6d028ff2ee6db613b4cebf5e29460d8 100644
--- a/core/lib/Drupal/Core/Field/FormatterInterface.php
+++ b/core/lib/Drupal/Core/Field/FormatterInterface.php
@@ -39,7 +39,7 @@ public function settingsForm(array $form, FormStateInterface $form_state);
    * If an empty result is returned, a UI can still be provided to display
    * a settings form in case the formatter has configurable settings.
    *
-   * @return array()
+   * @return string[]
    *   A short summary of the formatter settings.
    */
   public function settingsSummary();
diff --git a/core/modules/block_content/block_content.module b/core/modules/block_content/block_content.module
index 49de8acaa6e2cb2495b4483619c6fe2756859967..74fe9f16823b59743a907e5636d9abbf6e4018a2 100644
--- a/core/modules/block_content/block_content.module
+++ b/core/modules/block_content/block_content.module
@@ -72,8 +72,8 @@ function block_content_entity_type_alter(array &$entity_types) {
  * @param string $label
  *   (optional) The label for the body instance. Defaults to 'Body'
  *
- * @return array()
- *   Body field.
+ * @return \Drupal\field\Entity\FieldConfig
+ *   A Body field object.
  */
 function block_content_add_body_field($block_type_id, $label = 'Body') {
   // Add or remove the body field, as needed.
diff --git a/core/modules/node/node.module b/core/modules/node/node.module
index 182def19fe03d781ba1e873a454ea825d5a8e7cc..8a2498b9a67328c71550cd3d7c48232df6a3f076 100644
--- a/core/modules/node/node.module
+++ b/core/modules/node/node.module
@@ -316,7 +316,8 @@ function node_type_load($name) {
  * @param string $label
  *   (optional) The label for the body instance.
  *
- * @return \Drupal\field\Entity\FieldConfig Body field.
+ * @return \Drupal\field\Entity\FieldConfig
+ *   A Body field object.
  */
 function node_add_body_field(NodeTypeInterface $type, $label = 'Body') {
    // Add or remove the body field, as needed.