diff --git a/README.md b/README.md
index a3cc01c..9a260f0 100644
--- a/README.md
+++ b/README.md
@@ -49,7 +49,8 @@ Entity Embed can be installed via the
 * Click on the 'E' button in the text editor.
 * Enter part of the title of the entity you're looking for and select
   one of the search results.
-* If the entity you select is a node entity, for **Display as** you can choose one of the following options:
+* If the entity you select is a node entity, for **Display as** you can choose 
+  one of the following options:
   * Entity ID
   * Label
   * Full content
diff --git a/src/EntityEmbedDisplay/EntityEmbedDisplayManager.php b/src/EntityEmbedDisplay/EntityEmbedDisplayManager.php
index c77e4fe..dca160f 100644
--- a/src/EntityEmbedDisplay/EntityEmbedDisplayManager.php
+++ b/src/EntityEmbedDisplay/EntityEmbedDisplayManager.php
@@ -108,9 +108,9 @@ class EntityEmbedDisplayManager extends DefaultPluginManager {
    * @return array
    *   Returns plugin definitions that should be displayed in the UI.
    */
-  public function filterExposedDefinitions(array $definitions) {
+  protected function filterExposedDefinitions(array $definitions) {
     return array_filter($definitions, function($definition) {
-      return isset($definition['no_ui']) && $definition['no_ui'] == FALSE;
+      return empty($definition['no_ui']);
     });
   }
 
diff --git a/src/Tests/EntityEmbedUpdateHookTest.php b/src/Tests/EntityEmbedUpdateHookTest.php
index 5830a93..7138a03 100644
--- a/src/Tests/EntityEmbedUpdateHookTest.php
+++ b/src/Tests/EntityEmbedUpdateHookTest.php
@@ -30,7 +30,7 @@ class EntityEmbedUpdateHookTest extends UpdatePathTestBase {
   }
 
   /**
-   * Tests hook_post_update_NAME().
+   * Tests entity_embed_update_8002().
    */
   public function testPostUpdate() {
     $this->runUpdates();