Update usage_alert.html

Author: joseph-palmer

rctab/templates/emails/usage_alert.html

@@ -8,7 +8,7 @@
   At 100%, the subscription will be turned off.
 <p>If you want to increase your budget you should submit a request with the ticketing system
 <p>
-  Notifications are automatically sent out once your subscription has exceeded 50%, 75%, 90% and 100% of its
+  Notifications are automatically sent out once your subscription has exceeded 50%, 75%, 90% and 95% of its
   <u>allocated budget</u>.
 </p>
 {% endblock %}