     
     
     /**
-     if the receiving inputField contains a Logo, this method returns Some
+     If the receiving input field contains a logo, this method returns Some
      
-     - returns: an optional CardLogoView
+     - returns: An optional CardLogoView
      */
     override public func logoView() -> CardLogoView? {
         let type: CardLogoType = self.cardNetwork == .AMEX ? .CIDV : .CVC

    
    
    /**
     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)

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