📝 Update install instructions

README.md

@@ -66,7 +66,7 @@ Solana.Unity-SDK started as a fork of [unity-solana-wallet](https://github.com/a
 * Enter the `https://github.com/garbles-labs/Solana.Unity-SDK.git` Git URL in the text box and click Add.
 * Once the package is installed, in the Package Manager inspector you will have Samples. Click on Import
 * You may also install a specific package version by using the URL with the specified version.
-  * `https://github.com/garbles-labs/Solana.Unity-SDK.git#X.Y.X`
+  * `https://github.com/garbles-labs/Solana.Unity-SDK.git#vX.Y.X`
   * Please note that the version `X.Y.Z` stated here is to be replaced with the version you would like to get.
   * You can find all the available releases [here](https://github.com/garbles-labs/Solana.Unity-SDK/releases).
   * The latest available release version is [![Last Release](https://img.shields.io/github/v/release/garbles-labs/Solana.Unity-SDK)](https://github.com/Sgarbles-labs/Solana.Unity-SDK/releases/latest)