correct some minor typos

Setup/README.md

@@ -122,12 +122,12 @@ Have a look around running `ls`. You should see the folder `shared` from where
 you are, which should be the fenics home directoy.
 
 ## Install missing python3 modules
-Once you are in the container navigate into the `Setup` of the cloned repository.
-This should be achieved by running
+Once you are in the container navigate into the `Setup` folder of the cloned repository.
+If you followed the steps above, this should be achieved by running
 
     cd shared/Setup
 
-within the container. Upgrade pip by running
+within the container. Upgrade the python package manager `pip` by running
 
     sudo pip3 install --upgrade pip
 
@@ -149,7 +149,7 @@ you might have to run
 
     sudo pip3 --use-feature=2020-resolver install pandas
 
-on offending packages.
+in this case and similary on offending packages listed in the warning.
 In case you get a warning like this
 ~~~
   WARNING: The scripts f2py, f2py3 and f2py3.6 are installed in '/home/fenics/.local/bin' which is not on PATH.
@@ -165,7 +165,8 @@ Finally, add the `LDDsimulation` folder to your python path by adding
 ~~~bash
 export PYTHONPATH=${PYTHONPATH}:${HOME}/shared/LDDsimulation/:
 ~~~
-to ~/fenics.env.conf.
+to `~/fenics.env.conf`. Failing to do so will result in complaints of missing
+modules if you run an LDDsimulation based example. 
 After steeing this you need to exit the container (by typing `exit`) and
 step in again, to make changes effective.