Fix Laradock-Toolbox url (#1610)

DOCUMENTATION/content/getting-started/index.md

@@ -143,7 +143,7 @@ If you use Chrome 63 or above for development, don't use `.dev`. [Why?](https://
 If you are using **Docker Toolbox** (VM), do one of the following:
 
 - Upgrade to Docker [Native](https://www.docker.com/products/docker) for Mac/Windows (Recommended). Check out [Upgrading Laradock](/documentation/#upgrading-laradock)
-- Use Laradock v3.\*. Visit the [Laradock-ToolBox](https://github.com/laradock/laradock/tree/Laradock-ToolBox) branch. *(outdated)*
+- Use Laradock v3.\*. Visit the [Laradock-ToolBox](https://github.com/laradock/laradock/tree/LaraDock-ToolBox) branch. *(outdated)*
 
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