diff --git a/addons/mail/wizard/mail_resend_message_views.xml b/addons/mail/wizard/mail_resend_message_views.xml
index b0e6f1ade83..7d30bcfcfdc 100644
--- a/addons/mail/wizard/mail_resend_message_views.xml
+++ b/addons/mail/wizard/mail_resend_message_views.xml
@@ -38,7 +38,7 @@
                     <field name="model" invisible='1'/>
                     <field name="help_message"/>
                     <p>If you want to re-send them, click Cancel now, then click on the notification and review them one by one by clicking on the red envelope next to each message.</p>
-                    <img src="/mail/static/img/red_envelope.png"/>
+                    <img src="/mail/static/img/red_envelope.png" alt="Envelope Example"/>
                     <footer>  
                         <button string="Discard delivery failures" name="cancel_resend_action" type="object" class="btn-primary" />
                         <button string="Cancel" class="btn-default" special="cancel" />