diff --git a/web/content/docs/userguide/basics/container.pandoc b/web/content/docs/userguide/basics/container.pandoc
index bdc5b890eb51a7ed21d3ccc9ed0821be742d020c..07250bd1e2b38c8b691481f23746e8014bc5ab33 100644
--- a/web/content/docs/userguide/basics/container.pandoc
+++ b/web/content/docs/userguide/basics/container.pandoc
@@ -46,7 +46,7 @@ singularity exec ogs-6.2.0-serial.sif ogs -o _out [ogs-sources]/Tests/Data/Mecha
 # Run serial benchmark with output validation (via vtkdiff)
 singularity exec ogs-6.2.0-serial.sif ogs -o _out -r [ogs-sources]/Tests/Data/Mechanics/Linear [ogs-sources]/Tests/Data/Mechanics/Linear/disc_with_hole.prj
 # Run parallel benchmark with MPI
-mpirun -np 4 singularity exec ogs-6.2.0-openmpi-2.1.2.sif -o _out_mpi [ogs-sources]/Tests/Data/Mechanics/Linear/disc_with_hole.prj
+mpirun -np 4 singularity exec ogs-6.2.0-openmpi-2.1.2.sif ogs -o _out_mpi [ogs-sources]/Tests/Data/Mechanics/Linear/disc_with_hole.prj
 ```
 
 You can run other contained executables, e.g. `vtkdiff`: