Update docs/launching-apps/unusual.rst

Co-authored-by: Quincey Koziol <[email protected]>
Signed-off-by: Edgar Gabriel <[email protected]>

Author: edgargabriel

docs/launching-apps/unusual.rst

@@ -118,17 +118,17 @@ from the command line.
 Connecting independent MPI applications
 ---------------------------------------
 
-Open MPI supports in certain environments connecting multiple,
+In certain environments, Open MPI supports connecting multiple,
 independent MPI applications using mechanism defined in the MPI
 specification such as ``MPI_Comm_connect() / MPI_Comm_accept()`` and
 publishing connection information using ``MPI_Publish_name() /
-MPI_Lookup_name()``. These mechanisms require a centralized instance
+MPI_Lookup_name()``. These mechanisms require a centralized service
 to exchange contact information across multiple jobs.
 
-Beginning from Open MPI v5.0.0 this can be achieved by starting an
-instance of the prte server and use the ``report-uri`` option to
+Beginning with Open MPI v5.0.0 this can be achieved by starting an
+instance of the prte server with the ``report-uri`` option to
 display the contact information of the prte server. This information
-can subsequently be used for launching the MPI applications.
+can then be used for launching subsequent MPI applications.
 
 The following commands show an example for launching two MPI jobs
 that will connect to each other at runtime using the MPI-2 based
@@ -147,14 +147,14 @@ prte server
 
 .. code-block::
 
-   user@myhost:~app1-dir$ mpiexec --dvm file:filename -np 4 ./mpi_app_1
+   user@myhost:~app1-dir$ mpiexec --dvm file:<filename> -np 4 ./mpi_app_1
 
 Step 3: Launch the second MPI application providing the uri of the
-prte server
+prte server again
 
 .. code-block::
 
-   user@myhost:~app2-dir$ mpiexec --dvm file:filename -np 4 ./mpi_app_2
+   user@myhost:~app2-dir$ mpiexec --dvm file:<filename> -np 4 ./mpi_app_2
 
 
 In case the prte server has been started as a system server using the