diff -u b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php
--- b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php
+++ b/core/modules/text/src/Plugin/Field/FieldWidget/TextareaWidget.php
@@ -25,7 +25,7 @@
    */
   public function settingsForm(array $form, FormStateInterface $form_state) {
     $element = parent::settingsForm($form, $form_state);
-    $element['rows']['#description'] = $this->t('A text editor might choose a different number of rows to display.');
+    $element['rows']['#description'] = $this->t('A text editor might ignore this setting and display a different number of rows.');
     return $element;
   }