diff --git a/private_message.module b/private_message.module
index 487bda2e45766e6bf26cdfc8bb3102467a66b40d..3fac37c84885066ba78e36d6fecd9135f7abe1e2 100644
--- a/private_message.module
+++ b/private_message.module
@@ -405,7 +405,7 @@ function private_message_form_user_form_alter(array &$form, FormStateInterface $
 
     $form['private_messages']['receive_notification'] = [
       '#type' => 'checkbox',
-      '#title' => t('Receive notification of private messages'),
+      '#title' => t('Receive email notification of private messages'),
       '#default_value' => $default_value,
     ];
     if (!empty($user_data)) {
@@ -415,13 +415,13 @@ function private_message_form_user_form_alter(array &$form, FormStateInterface $
     $default_value = is_null($user_setting) ? $config->get('notify_when_using') : $user_setting;
     $form['private_messages']['notify_when_using'] = [
       '#type' => 'radios',
-      '#title' => t('Send notifications of new messages in a thread'),
+      '#title' => t('Send email notifications of new messages in a thread'),
       '#options' => [
         'yes' => t('For every private message'),
         'no' => t('Only when not viewing the thread'),
       ],
       '#default_value' => $default_value,
-      '#description' => t('Whether or not notifications should be sent when you are viewing a thread'),
+      '#description' => t('Whether or not email notifications should be sent when you are viewing a thread'),
       '#states' => [
         'visible' => [
           ':input[name="private_messages[receive_notification]"]' => ['checked' => TRUE],
@@ -453,7 +453,7 @@ function private_message_form_user_form_alter(array &$form, FormStateInterface $
     $default_value = isset($options[$default_value]) ? $default_value : 300;
     $form['private_messages']['number_of_seconds_considered_away'] = [
       '#type' => 'select',
-      '#title' => t('Amount of time after leaving a thread that the system starts sending notifications of new messages'),
+      '#title' => t('Amount of time after leaving a thread that the system starts sending email notifications of new messages'),
       '#options' => $options,
       '#default_value' => $default_value,
       '#states' => [