Qt Graphs Module documentation misses title

Microsoft bing webmaster tools complain that

https://doc.qt.io/Qt-6/qtgraphs-module.html and https://doc.qt.io/Qt-6/qtgraphs-qmlmodule.html

do not have a title (<h1> tag). And indeed, an actual title for this page is missing, while it does exist for all other -module.html pages (compare e.g. https://doc.qt.io/Qt-6/qtquick-module.html