 // MARK: Text field delegate
 extension ProductViewController: UITextFieldDelegate {
 	func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+		//should only be allowed to use picker
 		if textField == categoryTextField {
 			return false
 		}
-		
+
 		guard textField == priceTextField else {
 			return true
 		}

					} else {
						price = nil
					}

					product.price.value = price

					let date: Date?

// MARK: UI Actions
extension ProductViewController {

	@IBAction func ratingChanged(sender: UISlider) {
		//only increment by whole numbers
		rating.setValue(Float(Int(rating.value)), animated: false)
	}

	@IBAction func wishListLinkClicked(sender: UIButton) {
		//FIXME: share extension
		guard let url = linkURLFromLinkField() else {
