diff --git a/src/pages/Inbox/HeaderNotifications.js b/src/pages/Inbox/HeaderNotifications.js
index 2e6160e90..f1be03a41 100644
--- a/src/pages/Inbox/HeaderNotifications.js
+++ b/src/pages/Inbox/HeaderNotifications.js
@@ -18,12 +18,13 @@ class HeaderNotifications extends Component {
               <li className="mr-text-white">
                 <input
                   type="checkbox"
+
                   className="mr-checkbox-toggle mr-mr-1"
                   checked={this.props.groupByTask}
                   onChange={this.props.toggleGroupByTask}
                 /> <FormattedMessage {...messages.groupByTaskLabel} />
               </li>
-              <li className="mr-mb-4">
+              <li className="mr-mb-4 mr-text-grey-light">
                 <FormattedMessage {...messages.challengeGroupingNotice} />
               </li>
               <li>