Update README.md
borken link to specs fixed
@@ -11,7 +11,7 @@ sidechains like [Liquid](https://blockstream.com/liquid/), expanding use cases
possible via today's Bitcoin network, while bringing superior money to other
chains.
-This repo contains the Solidity [smart contracts](implementation/) and [specification](documentation/).
+This repo contains the Solidity [smart contracts](implementation/) and [specification](docs/).
## Getting started
