Problems with Ionic4 radio button list display

I copy and pasted the ionic radio button list from the documentation to my code and in the example, it has a check mark next to the selected option and no actual radio buttons.

In my code, it shows radio buttons. Is there a way to get it to show check marks instead of radio buttons?

@JohnCressman Hey,
What you are using to test your project development, if its is chrome and you were checking in Microsoft devices it will show as radio button and if you were testing on ios devices it will show check mark. This is what happened with me in ionic 4.
I’ll suggest to read the doc carefully.

Thanks for the reply, I guess I missed that part. Oh well.