Your browser checking tool says that my browser is Firefox 109
My Firefox identifies itself as Firefox 111.
I am not incorrect in interpreting the information that your checking tool provides.
I am not incorrect in interpreting my Firefox browser status. see the attached screenshots.
Firefox will not allow me to update my Firefox 111.
I tried.
I did this exercise because my professor included it as a task to be completed as part of Module One of the coursework I begin today.
Your browser checking tool has broken my concentration, pulled me away from scholarly study for approximately 40 minutes, and wasted my time.
You should fix your tool