diff --git a/src/Form/LayoutBuilderAssetFormBase.php b/src/Form/LayoutBuilderAssetFormBase.php
index 503d22c..088699c 100644
--- a/src/Form/LayoutBuilderAssetFormBase.php
+++ b/src/Form/LayoutBuilderAssetFormBase.php
@@ -144,8 +144,8 @@ class LayoutBuilderAssetFormBase extends EntityForm {
         ];
         $form['class'] = [
             '#type'=> 'textfield',
-            '#title' => t('Class'),
-            '#description' => t('Add Unique Class for the Block to apply the css specifically to the current context or keep empty to use the default config block.'),
+            '#title' => $this->t('Class'),
+            '#description' => $this->t('Add Unique Class for the Block to apply the css specifically to the current context or keep empty to use the default config block.'),
             '#default_value' => $entity->class,
             '#attributes' => ['disabled' => TRUE],
         ];
