Add minor readme change to test repo mirror

README.md

@@ -8,8 +8,8 @@
 - export the env var `BOX_SETUP_OS` to indicate the operating system
     - options defined in `set_script_env_vars` file
 
-##### prereqs, os specific, zxcv-linux-placeholder
-- currently none
+##### prereqs, os specific, linux-placeholder
+- (currently none)
 
 ##### prereqs, os specific, macos
 - have to first install the package manager, [homebrew](https://brew.sh/)
@@ -24,7 +24,6 @@
         - `displays have separate spaces`: enabled
         - `show files on desktop`: enabled
 
-
 ### script run
 - git clone this repo (TODO: consider adding logic to handle automatically)
 - from the repo's root directory, run `./box_setup`