diff --git a/src/Display/DisplayDeriverBase.php b/src/Display/DisplayDeriverBase.php
index 510299a..1a687cc 100644
--- a/src/Display/DisplayDeriverBase.php
+++ b/src/Display/DisplayDeriverBase.php
@@ -46,7 +46,7 @@ abstract class DisplayDeriverBase implements ContainerDeriverInterface {
   /**
    * Retrieves the entity manager.
    *
-   * @return EntityTypeManagerInterface
+   * @return \Drupal\Core\Entity\EntityTypeManagerInterface
    *   The entity manager.
    */
   public function getEntityTypeManager() {
@@ -56,7 +56,7 @@ abstract class DisplayDeriverBase implements ContainerDeriverInterface {
   /**
    * Sets the entity manager.
    *
-   * @param EntityTypeManagerInterface $entity_type_manager
+   * @param \Drupal\Core\Entity\EntityTypeManagerInterface $entity_type_manager
    *   The entity manager.
    *
    * @return $this