     
     
     /**
-     title of the receiver inputField
+     Title of the receiver input field
      
-     - returns: a string that is the title of the receiver
+     - returns: A string that is the title of the receiver
      */
     override public func title() -> String {
         return self.cardNetwork.securityCodeTitle()

    
    
    /**
     subclassed method that is called when textField content was changed
     
     - parameter textField: the textfield of which the content has changed
     */
    override public func textFieldDidChangeValue(textField: UITextField) {
        super.textFieldDidChangeValue(textField)

    
    
    /**
     Hint label text
     
     - returns: String that is shown as a hint when user resides in a input field for more than 5 seconds
     */
    override public func hintLabelText() -> String {
        if isTokenPayment {
