Atlassian Confluence 5.7.1 file preview tooltips not correct when hovered

How to reproduce

• Add an Excel file (.xls) to a Confluence 5.7.1
• Click ">" mark to expand file option menu (see attachement)
• Mouse hover on "View", "Edit in Office", "Property", "Delete"

Actual results

• When hovered, all the tooltips show

$itemTooltip

Expected results

• Show some meaningful tooltips