Add tooltip to header in main area

extensions/ter_fe2/Resources/Private/Templates/Extension/Show.html

@@ -125,6 +125,7 @@
                         <f:if condition="{versionHistory->f:count()} >= 1}">
                             <h4>
                                 <f:translate key="downloads_by_month" />
+                                <i class="fas fa-info-circle" data-placement="right" data-toggle="tooltip" title="Packagist downloads are fetched during the day and are not up-to-date."></i>
                             </h4>
                             <p>
                                 Total downloads (TER and Extension Manager) incl. November 2020: <f:format.number decimals="0" thousandsSeparator=",">{extension.oldDownloads}</f:format.number>