diff --git a/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php
index 25bb627..8688efb 100644
--- a/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php
+++ b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php
@@ -23,6 +23,15 @@ class TextareaWidget extends StringTextareaWidget {
   /**
    * {@inheritdoc}
    */
+  public function settingsForm(array $form, FormStateInterface $form_state) {
+    $element = parent::settingsForm($form, $form_state);
+    $element['rows']['#description'] = $this->t('Text editors (like CKEditor) may override this setting.');
+    return $element;
+  }
+
+  /**
+   * {@inheritdoc}
+   */
   public function formElement(FieldItemListInterface $items, $delta, array $element, array &$form, FormStateInterface $form_state) {
     $main_widget = parent::formElement($items, $delta, $element, $form, $form_state);
 
diff --git a/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWithSummaryWidget.php b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWithSummaryWidget.php
index 0a72e3e..2afd14b 100644
--- a/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWithSummaryWidget.php
+++ b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWithSummaryWidget.php
@@ -39,6 +39,7 @@ public function settingsForm(array $form, FormStateInterface $form_state) {
       '#type' => 'number',
       '#title' => t('Summary rows'),
       '#default_value' => $this->getSetting('summary_rows'),
+      '#description' => $element['rows']['#description'],
       '#required' => TRUE,
       '#min' => 1,
     );