Update docs/source/noaa_csp.rst

Co-authored-by: Gillian Petro <[email protected]>

docs/source/noaa_csp.rst

@@ -225,8 +225,8 @@ as rocoto is using `crontab`, which needs the cluster active all the time, or th
 
 .. image:: _static/noaacsp_using_2.png
 
-After finish your work on the AWS cluster, one should terminate/stop the cluster, unless you have reasons to keep it active.
-To stop/terminate the cluster, go to the cluster session, and click the `green` button. A window pop up, and click the
+After finishing your work on the AWS cluster, you should terminate/stop the cluster, unless you have reasons to keep it active.
+To stop/terminate the cluster, go to the cluster session, and click the green power button. A window pop up, and click the
 red `Turn Off` button to switch off the cluster. 
 
 .. image:: _static/noaacsp_using_3.png