That makes sense; however as a visitor of this page I don't know about all these details so I might think it's a possible error and I shouldn't trust your app.

That makes sense; however as a visitor of this page I don't know about all these details so I might think it's a possible error and I shouldn't trust your app. Basically there is a small risk to lose potential users here. I suggest choosing another example with a calculated vs intuitive time gap different from exactly 10 minutes.