diff --git a/docs/source/parallel/parallel_mpi.txt b/docs/source/parallel/parallel_mpi.txt
index 6d1e221..aa25896 100644
--- a/docs/source/parallel/parallel_mpi.txt
+++ b/docs/source/parallel/parallel_mpi.txt
@@ -113,8 +113,8 @@ Now, start an IPython cluster::
     <parallel_process>`.
 
 Finally, connect to the cluster and use this function interactively. In this
-case, we create a random array on each engine and sum up all the random arrays
-using our :func:`psum` function:
+case, we create a distributed array and sum up all its elements in a distributed
+manner using our :func:`psum` function:
 
 .. sourcecode:: ipython