The thread title seems a bit ambiguous. What exactly are these "Phone's" possessing? What's that? Oh, you didn't mean to the put an apostrophe there. I see.
No, it's all right, really. No, I don't think you're a huge embarrassing failure or a blemish on the buttocks of mankind. Honestly, it's just a simple mistake. Very easy to correct. Don't beat yourself up over it. There's certainly no reason to cry over it. Oh boy...