Update README.md

Corrected name of PL TV box

README.md

@@ -47,9 +47,9 @@ As [UPC](https://en.wikipedia.org/wiki/UPC_Broadband) (the operator of the Horiz
 | GB | [Virgin Media](https://www.virginmedia.com/) | [Virgin TV Go](https://virgintvgo.virginmedia.com/en.html) | [Virgin TV 360](https://www.virginmedia.com/shop/tv/virgin-tv-360) and [Virgin TV 360 Mini](https://www.virginmedia.com/shop/tv/multiroom)  | Fully Working |
 | IE | [Virgin Media](https://www.virginmedia.ie/) | [Virgin TV Anywhere](https://www.virginmediatv.ie/en.html) | [360 Box](https://www.virginmedia.ie/virgintv360support/) | Fully Working |
 | NL | [Ziggo](https://www.ziggo.nl/) | [Ziggo GO](https://www.ziggogo.tv/nl.html) | [Mediabox Next](https://www.ziggo.nl/televisie/mediaboxen/mediabox-next#ziggo-tv) | Fully Working |
-| PL | [UPC PL](https://www.upc.pl/) | [UPC TV GO](https://www.upctv.pl/pl/home) | Horizon decoder | Fully Working |
+| PL | [UPC PL](https://www.upc.pl/) | [UPC TV GO](https://www.upctv.pl/pl/home) | UPC TV Box | Fully Working |
 | ------- | ----------- | ------- | -------- | ------------- |
-| SK | [UPC Broadband Slovakia](https://www.upc.sk/) | [UPC TV](https://www.upctv.sk/sk/home) | UPC TV | _Testers Wanted_ |
+| SK | [UPC Broadband Slovakia](https://www.upc.sk/) | [UPC TV](https://www.upctv.sk/sk/home) | UPC TV Box | _Testers Wanted_ |
 
 
 If you subscribe to a TV service from one of these countries, you are lucky, this plugin will work for you.