Can I still add a compatible m.2 SSD?

Hi, I'm sorry, I just need a quick answer. So I have an HP Laptop 14s-fq1121AU and it already has a built-in storage (230GB C Drive). I want to know if I can add a compatible m.2 SSD, or is that C Drive the only storage slot I have? So I'll be having a C drive and a D drive if I upgrade.