diff --git a/admin/calendar.php b/admin/calendar.php
index d78c81b6..96c98361 100644
--- a/admin/calendar.php
+++ b/admin/calendar.php
@@ -86,12 +86,11 @@ require_once(HESK_PATH . 'inc/show_admin_nav.inc.php');
                 <!-- TODO Clean this up -->
                 <li>
                     <div class="ticket-info">
-                        <!--<div class="checkbox">
-                            <input type="checkbox" data-select-target="category-toggle" name="category-toggle" value="<?php /*echo $category['id']; */?>" checked>
-                        </div>-->
                         <div class="hide-on-overflow no-wrap event-category background-volatile"
                              data-select-toggle="category-toggle" data-name="category-toggle" data-category-value="<?php echo $category['id']; ?>"
                              data-checked="1"
+                             data-toggle="tooltip"
+                             title="<?php echo $hesklang['click_to_toggle']; ?>"
                              style="<?php echo $category['css_style']; ?>">
                             <?php echo $category['name']; ?>
                         </div>
diff --git a/language/en/text.php b/language/en/text.php
index 98639f59..afe6e7ef 100644
--- a/language/en/text.php
+++ b/language/en/text.php
@@ -91,6 +91,7 @@ $hesklang['readonly'] = 'Readonly';
 $hesklang['copy_ticket'] = 'Copy Ticket';
 $hesklang['canned_responses_dropdown_title'] = 'Canned Responses';
 $hesklang['helpdesk_settings'] = 'Helpdesk Settings';
+$hesklang['click_to_toggle'] = 'Click to toggle';
 
 // ADDED OR MODIFIED IN Mods for HESK 2.6.0
 $hesklang['search_logs'] = 'Search Logs';