Update README.md

Signed-off-by: Firekeeper <[email protected]>

Author: 0xFirekeeper

README.md

@@ -36,6 +36,7 @@ Experience our multichain game demo leveraging In-App Wallets and Account Abstra
 - Newtonsoft and EDM4U are included utilities; deselect if already installed to avoid conflicts.
 - If using .NET Framework and encountering `HttpUtility` errors, create `csc.rsp` with `-r:System.Web.dll` under `Assets`.
 - Use version control and test removing duplicate DLLs if conflicts arise.
+- To use your own WalletConnect Project ID, edit `Assets/Thirdweb/Plugins/WalletConnectUnity/Resources/WalletConnectProjectConfig.asset`.
 
 # Build Instructions