white space tidy up

README.rst

@@ -38,13 +38,13 @@ To install, for example, the ``foss2022a-serial`` toolchain:
 
 .. comment:
     3. Initiate the installation at this location using::
-    
+
          $ mpsd-software init
-    
+
        (This creates a hidden file ``.mpsd-software-root`` to tag the location for
        as the root of the installation. All compiled files, logs etc are written in
        or below this subdirectory.)
-    
+
 3. From the same directory, run the command to install the ``foss2022a-serial``
    toolchain::