Add the location of the octopus configure script in lmod file

Add the location of the octopus configure script in lmod file (MPSD_OCTOPUS_CONFIGURE)

README.rst

@@ -180,7 +180,7 @@ Requirements for particular toolchains and package sets
 Finding the Octopus configure script
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-For each toolchain, there is a Octopus configure script available. Once the
+For each Octopus toolchain, there is a Octopus configure script available. Once the
 toolchain is loaded, the variable ``$MPSD_OCTOPUS_CONFIGURE`` contains that
 path. The path can also be seen using the ``module show TOOLCHAINNAME`` command. For example::