https://doc.qt.io/qt-6/qt3drender-qmaterial.html example code misses parentheses

The example Code on https://doc.qt.io/qt-6/qt3drender-qmaterial.html misses some closing brackets

material1->addParameter(new QParameter(parameterName, QColor::fromRgbF(0.0f, 1.0f, 0.0f, 1.0f);
material2->addParameter(new QParameter(parameterName, QColor::fromRgbF(1.0f, 1.0f, 1.0f, 1.0f);