Update README.md

Author: miguelrizzog96

README.md

@@ -5,7 +5,7 @@
 ##  Project Overview: 
 - **Generated a Simulation model that outputs the performance measures, such as average length, average waiting time, utilization of the system, etc. to provide information for designing or improving service facilities.**
 - **Showed that using this approach, system changes and different layouts can be tested without actually having to carry them out physically.**
-- **Simulated over 1000 customer arrivals using Python.**
+- **Simulated over 1000 customer arrivals and departures using Python.**
 
 
  ## Code walkthrough