Fix broken link to spec in README (#93)

There was a broken link to the protocol specification in the README, fixed it to a working one.

README.md

@@ -2,7 +2,7 @@
 
 # Safe{Core} Protocol
 
-This project is an implementation of [Safe{Core} Protocol specification](https://github.com/safe-global/safe-protocol-specs)
+This project is an implementation of [Safe{Core} Protocol specification](https://github.com/safe-global/safe-core-protocol-specs)
 ## Architecture
 
 Safe{Core} Protocol implementation consists of following main components:
@@ -141,4 +141,4 @@ npx hardhat test
 |----------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------|
 | ``` yarn hardhat generate:deployments ```                                                          | Generate deployments markdown in [./docs/deployments.md](./docs/deployments.md) from [./deployments.ts](./deployments.ts)             |
 | ``` yarn hardhat verify --network goerli <contract_address> <initial_owner> ```                    | Verify Registry contract(s)<br/>  Applicable for<br/> - SafeProtocolRegistry.sol<br/> - TestSafeProtocolRegistryUnrestricted.sol<br/> |
-| ``` yarn hardhat verify --network goerli <contract_address> <initial_owner> <registry_address> ``` | Verify SafeProtocolManager.sol                                                                                                        |
+| ``` yarn hardhat verify --network goerli <contract_address> <initial_owner> <registry_address> ``` | Verify SafeProtocolManager.sol                                                                                                        |