The file was generated by New File -> Cocao Touch class, previously.
With the main.storyboard open and then choosing Assistant, I get the ViewController.h for the scene I am in and not the ExploreCell.swift file that I have just generated.
The book I am following as I am a beginner, says that I should set the file as automatic but I can't seem to be able to do that.
What am I doing wrong?