diff --git a/typo3/sysext/install/Resources/Private/Partials/Action/Tool/Upgrade/UpgradeWizards.html b/typo3/sysext/install/Resources/Private/Partials/Action/Tool/Upgrade/UpgradeWizards.html
index 646a7405340e618424023c75d852949fae145b9e..dc7787d43a8c06e4d73198636151d4f27720e3dd 100644
--- a/typo3/sysext/install/Resources/Private/Partials/Action/Tool/Upgrade/UpgradeWizards.html
+++ b/typo3/sysext/install/Resources/Private/Partials/Action/Tool/Upgrade/UpgradeWizards.html
@@ -83,7 +83,7 @@
 	</div>
 	<div class="t3js-upgradeWizards-done-row-template">
 		<table>
-			<tbody class="this table and tbody tag will be removed in JS, only the tr is used!">
+			<tbody class="table-and-tbody-tag-will-be-removed-in-JS-only-tr-is-used">
 				<tr>
 					<td>
 						<button