Finalized README.md

Author: allenshen13

presto/README.md

@@ -19,5 +19,11 @@ WITH (
     external_location = 's3a://your-bucket/clickbench-parquet/hits/'
 );
 ```
-3. Connect to the Presto coordinator and clone the ClickBench repo to run `run.sh`.
+3. Connect to the Presto coordinator and run these commands: 
+``` 
+git clone https://github.com/ClickHouse/ClickBench
+cd ClickBench/presto
+chmod +x run.sh
+./run.sh
+```
 4. Use the Presto UI or event listeners to get detailed information on the queries including runtime.