diff --git a/rest_feedback_endpoint.module b/rest_feedback_endpoint.module
index 8cf801f..727beb4 100644
--- a/rest_feedback_endpoint.module
+++ b/rest_feedback_endpoint.module
@@ -10,7 +10,7 @@ function rest_feedback_endpoint_mail($key, &$message, $params) {
 
  switch ($key) {
    case 'rest_feedback_endpoint':
-     $message['subject'] = t('Crow interface bug report: @title', ['@title' => $params['title']], $options);
+     $message['subject'] = t('@title', ['@title' => $params['title']], $options);
      $message['body'][] = $params['message'];
      break;
  }
diff --git a/src/Form/Settings.php b/src/Form/Settings.php
index 75b31b5..0a5193d 100644
--- a/src/Form/Settings.php
+++ b/src/Form/Settings.php
@@ -49,6 +49,12 @@ public function buildForm(array $form, FormStateInterface $form_state) {
       '#description' => $this->t('Single email only'),
       '#default_value' => $config->get('notification_email'),
     ];
+    $form['subject_line_prefix'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Subject line prefix'),
+      '#description' => $this->t('Prepend the subject line of the email (e.g. "Mysite user feedback: ".'),
+      '#default_value' => $config->get('subject_line_prefix'),
+    ];
     return parent::buildForm($form, $form_state);
   }
 
@@ -60,6 +66,7 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
     $this->configFactory->getEditable(static::SETTINGS)
       ->set('on', $form_state->getValue('on'))
       ->set('notification_email', $form_state->getValue('notification_email'))
+      ->set('subject_line_prefix', $form_state->getValue('subject_line_prefix'))
       ->save();
     parent::submitForm($form, $form_state);
   }
diff --git a/src/Plugin/rest/resource/SubmitIssue.php b/src/Plugin/rest/resource/SubmitIssue.php
index 6cb8de9..f819375 100644
--- a/src/Plugin/rest/resource/SubmitIssue.php
+++ b/src/Plugin/rest/resource/SubmitIssue.php
@@ -94,7 +94,7 @@ public function post($data) {
       $module = 'rest_feedback_endpoint';
       $key = 'rest_feedback_endpoint';
       $to = $config->get('notification_email');
-      $params['message'] = 'The user ' . $name . ' has reported an issue with the Crow web interface.' . PHP_EOL . PHP_EOL;
+      $params['message'] = 'The user ' . $name . ' has reported an issue with the interface.' . PHP_EOL . PHP_EOL;
       $params['message'] .= 'SOURCE PAGE: ' . $data['url'] . PHP_EOL . PHP_EOL;
       $params['message'] .= 'DESCRIPTION: ' . Html::escape($data['description']) . PHP_EOL . PHP_EOL;
       $params['message'] .= 'USER ACCESS LEVEL: ' . implode(', ', $reported_roles) . PHP_EOL . PHP_EOL;
@@ -106,7 +106,7 @@ public function post($data) {
       else {
         $params['message'] .= 'CONTACT USER WITH UPDATES ABOUT THE ISSUE: no' . PHP_EOL . PHP_EOL;
       }
-      $params['title'] = Html::escape($data['title']);
+      $params['title'] = $config->get('subject_line_prefix') . Html::escape($data['title']);
       $langcode = \Drupal::currentUser()->getPreferredLangcode();
       $send = TRUE;
       $response_status['status'] = $mailManager->mail($module, $key, $to, $langcode, $params, NULL, $send);