message: Docker README.md: command for installing exchange contract fixed
diff: @@ -81,7 +81,7 @@ cleos get account inita
  Upload sample exchange contract
  ```bash
  -cleos set contract exchange contracts/exchange/exchange.wast contracts/exchange/exchange.abi
  +cleos set contract exchange contracts/exchange/
  ```
  If you don't need keosd afterwards, you can stop the keosd service using
  