diff --git a/docs.it4i/anselm/software/mpi/mpi4py-mpi-for-python.md b/docs.it4i/anselm/software/mpi/mpi4py-mpi-for-python.md
index 36769b8d25a25480576dbd09bab9726db35474fc..591e0cd475ec77268f57321b9efeb3363a4447ce 100644
--- a/docs.it4i/anselm/software/mpi/mpi4py-mpi-for-python.md
+++ b/docs.it4i/anselm/software/mpi/mpi4py-mpi-for-python.md
@@ -144,7 +144,7 @@ else:
     total = None
 
 comm.Barrier()
-#collect the partial results to total sum
+#collect the partial results and add to the total sum
 comm.Reduce(summ, total, op=MPI.SUM, root=0)
 
 stop_time = time.time()