Remove hanging period

[MAILPOET-1590]

lib/Util/Notices/DiscountsAnnouncement.php

@@ -28,7 +28,7 @@ class DiscountsAnnouncement {
     $message = Helpers::replaceLinkTags(
       __('<h3>Save on MailPoet Premium for a limited time. Discounts up to 40%</h3>
           <p>Our annual sale is a good opportunity to get more detailed stats & great email deliverability. Don’t miss out!</p>
-        [link]Visit the MailPoet Premium page[/link].', 'mailpoet'),
+        [link]Visit the MailPoet Premium page[/link]', 'mailpoet'),
       'admin.php?page=mailpoet-premium',
       array('target' => '_blank', 'class' => 'button button-primary')
     );