diff --git a/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php b/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
index d73cc5b545..ea7f6c9745 100644
--- a/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/CredentialForm.php
@@ -180,7 +180,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
     $form['source']['source_base_path'] = [
       '#type' => 'textfield',
       '#title' => $this->t('Document root for public files'),
-      '#description' => $this->t('To import private files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot). Leave blank to use the same value as Public files directory.'),
+      '#description' => $this->t('To import public files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot), or your site address (for example http://example.com).'),
       '#states' => [
         'visible' => [
           ':input[name="version"]' => ['value' => '7'],
@@ -193,7 +193,7 @@ public function buildForm(array $form, FormStateInterface $form_state) {
       '#type' => 'textfield',
       '#title' => $this->t('Document root for private files'),
       '#default_value' => '',
-      '#description' => $this->t('To import private files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot).'),
+      '#description' => $this->t('To import private files from your current Drupal site, enter a local file directory containing your site (e.g. /var/www/docroot). Leave blank to use the same value as Public files directory.'),
       '#states' => [
         'visible' => [
           ':input[name="version"]' => ['value' => '7'],