Update docs/source/config.rst

Co-authored-by: Aidan Heerdegen <[email protected]>

docs/source/config.rst

@@ -440,7 +440,7 @@ Miscellaneous
 
    This is seldom needed, because payu is good at automatically determining
    the environment modules required by model executables. If the modules
-   require `module use` inorder to be found, this command can also be run
+   require `module use` in order to be found, this command can also be run
    prior to `payu run` instead specifying the `use` option,
    e.g.::