Fix link

Author: floscr

README.md

@@ -13,7 +13,7 @@ With Tokenscript you can write custom functions and ship logic directly with you
 - [Documentation][docs]
 - [Interactive playground][playground]
 - [Community slack][slack]
-- [Runtime UI][https://tokenscript-interpreter-runtimeui.vercel.app/]
+- [Runtime UI](https://tokenscript-interpreter-runtimeui.vercel.app/)
 
 ## Examples