Fix formatting issue.

Fix formatting issue in Readme.md

Author: hackintoshrao

README.md

@@ -15,9 +15,9 @@ Collection of tests to detect resource leaks, gauge performance problems and ove
   $ git clone https://github.com/minio/mint.git 
   ```
 
+- Build and Run
+
   ```sh
-- Build and Run.
-  
   $ docker build -t minio/mint:alpha
   $ docker run -e ENDPOINT=play.minio.io:9000 -e ACCESS_KEY=Q3AM3UQ867SPQQA43P2F  -e SECRET_KEY=zuf+tfteSlswRu7BJ86wekitnifILbZam1KYY3TG -e ENABLE_HTTPS=1  mint:alpha
   ```