Fix typos/omission in simulation.cpp comments. (#1455)
Fix typos/omission in simulation.cpp comments. (#1455)


eth-cscs/nestmc-proto,halfflat/arbor,eth-cscs/nestmc-proto,halfflat/nestmc-proto,halfflat/nestmc-proto,halfflat/nestmc-proto,halfflat/arbor,halfflat/arbor,halfflat/arbor,halfflat/arbor,eth-cscs/nestmc-proto