Update README.md

README.md

@@ -5,7 +5,7 @@ DDBOAT python3 drivers version 2
 * Encoders on propeller rotation (serial line) : encoders_driver_v2.py
 * Arduino motors command (serial line) : arduino_driver_v2.py
 
-a small test program to test all the drivers
+a small test program can be launched to test all the drivers :
 ```
 $ python3 tst_ddboat_v2.py
 ```