Added information about the default .do file

boards/beaglev/fire/demos-and-tutorials/gateware/gateware-design-simulation-libero.rst

@@ -119,4 +119,7 @@ An example of a ``.do`` file is shown below:
 
     run 100 ns
 
-Good luck with your simulations!
+A default ``run.do`` script is created at the following path - ``work/libero/simulation`` - when a simulation is run. You can use this file as a starter file
\ No newline at end of file
+for creating your own scripts as well as for understanding how the initial simulation is set-up.
+
+Good luck with your simulations!