diff --git a/core/modules/field_ui/src/Form/FieldEditForm.php b/core/modules/field_ui/src/Form/FieldEditForm.php
index 9e23ee1..7d512c5 100644
--- a/core/modules/field_ui/src/Form/FieldEditForm.php
+++ b/core/modules/field_ui/src/Form/FieldEditForm.php
@@ -127,7 +127,7 @@ public function buildForm(array $form, FormStateInterface $form_state, FieldConf
       '#title' => $this->t('Help text'),
       '#default_value' => $this->field->getDescription(),
       '#rows' => 5,
-      '#description' => $this->t('Instructions to present to the user below this field on the editing form.<br />Allowed HTML tags: @tags', array('@tags' => $this->displayAllowedTags())) . '<br />' . $this->t('This field supports tokens.'),
+      '#description' => $this->t('Instructions to present to the user below this field on the editing form.<br />Allowed HTML tags: @tags. <br />This field supports tokens.', array('@tags' => $this->displayAllowedTags())) ,
       '#weight' => -10,
     );