diff --git a/UI/Templates/SchedulerUI/UIxAppointmentProposal.wox b/UI/Templates/SchedulerUI/UIxAppointmentProposal.wox
index 8c7f0ecef..ddbe269c6 100644
--- a/UI/Templates/SchedulerUI/UIxAppointmentProposal.wox
+++ b/UI/Templates/SchedulerUI/UIxAppointmentProposal.wox
@@ -150,7 +150,7 @@
               </td>
 <!--              <td align="left" bgcolor="#FFFFF0">
                 <span class="aptview_text">
-                  <!-- use '1' instead of 'YES', otherwise breaks on OSX -->
+                  ! use '1' instead of 'YES', otherwise breaks on OSX -->
 <!--                  <var:component className="AnaisAttendeeSelector"
                                  const:selectorID="participant"
                                  const:division="CC"