update README file

README.md

@@ -18,20 +18,20 @@ PYTHONPATH=../ python3 main.py --generator_dir errors --level 2 --real_world_dat
 
 ```
 cd /MBB
-python3 MBI.py -c run -x <parcoach|itac|must> -t <timeout in seconds> -l <logs output dir> -n <number of workers>
+python3 MBB.py -c run -x <parcoach|itac|must> -t <timeout in seconds> -l <logs output dir> -n <number of workers>
 ```
 
 #### Example for PAROACH
 
 ```
-python3 MBI.py -c run -x parcoach -t 180 -l mylogdir -n 4
+python3 MBB.py -c run -x parcoach -t 180 -l mylogdir -n 4
 ```
 
 ## To get stats on a tool
 
 ```
 cd /MBB
-python3 MBI.py -x <parcoach|itac|must> -l <logs output dir> -c csv
+python3 MBB.py -x <parcoach|itac|must> -l <logs output dir> -c csv
 ```
 
 ## Troubleshooting for ITAC