Update README.md

Author: andrewshab3

README.md

@@ -15,7 +15,7 @@ The Immutable SDK for Unity helps you integrate your game with Immutable Passpor
 # Documentation
 
 * [Immutable X](https://docs.immutable.com/reference/unity/)
-* [Immutable zkEVM](https://docs.immutable.com/docs/zkEVM/sdks/unity)
+* [Immutable zkEVM](https://docs.immutable.com/reference/unity/)
 
 ## Sample Projects