Update setting_up_environment.md

docs/using_eessi/setting_up_environment.md

@@ -8,7 +8,7 @@ There are a few different scenarios where you may want to set up the EESSI envir
 
    !!! note "Why do we recommend to unset `MODULEPATH`?"
 
-        Unsetting `MODULEPATH` may not be possible at some sites, and some compromise or workaround may
+        Unsetting MODULEPATH may not be possible at some sites, and some compromise or workaround may
         be necessary. The underlying reason to suggest this is that EESSI and your system are most likely based on
         two different operating system distributions - EESSI uses Gentoo Prefix, your system almost certainly uses some other
         distribution. If you can find a way to ensure that the _software stacks_ from your site and EESSI do not mix