diff --git a/figures/mpi_comm.png b/figures/mpi_comm.png
index dc914e3..805954a 100644
Binary files a/figures/mpi_comm.png and b/figures/mpi_comm.png differ
diff --git a/figures/mpi_communication.odp b/figures/mpi_communication.odp
index 694d315..37ecc40 100644
Binary files a/figures/mpi_communication.odp and b/figures/mpi_communication.odp differ