diff --git a/mixnet/v2/sim/README.md b/mixnet/v2/sim/README.md
index e6f9581..9f57d98 100644
--- a/mixnet/v2/sim/README.md
+++ b/mixnet/v2/sim/README.md
@@ -16,7 +16,7 @@ The simulation runs during a specified duration, prints the results to the conso
 
 ### Time in simulation
 
-The simulation has been implemented based on [SimPy](https://simpy.readthedocs.io/en/latest/) which is discrete-event simulation framework.
+The simulation is implemented based on [SimPy](https://simpy.readthedocs.io/en/latest/) which is discrete-event simulation framework.
 All events are processed sequentially by a single thread.
 However, multiple parallel events, which should be processed at the same time, can be also simulated by scheduling them at the same "time".