Fix some user feedback on the documentation

I was told that a full example command to execute cwltool would be helpful. The MR also contains some other slight fixes.

docs/source/running.rst

@@ -67,7 +67,7 @@ where ``<linc.sif>`` is the location of the Singularity image, or ::
 
     $ docker run --rm <docker_options> -v <mount_points>:<mount_points> -w $PWD astronrd/linc cwltool --no-container <cwl_options> /usr/local/share/linc/workflows/HBA_calibrator.cwl LINC.json
 
-Since you are running **LINC** inside a container, do not forget to add the ``--no-container`` flag to your call, no matter whether you use Singularity or Docker. Do **not** use the ``--singularity``flag.
+Since you are running **LINC** inside a container, do not forget to add the ``--no-container`` flag to your call, no matter whether you use Singularity or Docker. Do **not** use the ``--singularity`` flag.
 
 Pipeline options for ``cwltool``
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