Typo fix

Author: edubart

README.md

@@ -3,7 +3,7 @@
 A Tetris like game written in [Nelua](https://nelua.io/) for [RIV](https://docs.rives.io) fantasy console.
 
 You can play it in your browser
-[here](https://emulator.rives.io/#cartridge=https://raw.githubusercontent.com/edubart/cartridges/main/tetrix.sqfs)
+[here](https://emulator.rives.io/#cartridge=https://raw.githubusercontent.com/edubart/cartridges/main/tetrix.sqfs).
 
 ![Screenshot](https://raw.githubusercontent.com/edubart/tetrix/master/tetrix.png)