diff --git a/addons/mail/views/mail_templates.xml b/addons/mail/views/mail_templates.xml
index 11c877a8495..f0da924d6ab 100644
--- a/addons/mail/views/mail_templates.xml
+++ b/addons/mail/views/mail_templates.xml
@@ -81,7 +81,7 @@
 <div>
     <p>
         <strong><span t-attf-class="fa #{activity.activity_type_id.icon}"/></strong> <span t-field="activity.activity_type_id.name"/> done
-        by <span t-field="activity.user_id.name"/>:
+        by <span t-field="activity.user_id.name"/><span t-if="activity.summary">:</span>
         <span t-if="activity.summary" t-field="activity.summary"/>
     </p>
     <div t-field="activity.note" style="margin-left: 8px;"/>