Touch up the last commit

doc/installation.md

@@ -70,21 +70,22 @@ $ cd ~/.emacs.d
     If you are using Windows, you should check what Emacs thinks the `~` directory is by running Emacs
     and typing `C-x d ~/<RET>`, and then adjust the command appropriately.
 
-### Site Wide
+### System-wide (site-wide)
+
 For a multi-user environment, as an admin, the customizations intended
 for all users go in the site-start file represented by the variable
 `site-run-file`, while single users will use their own init file
 represented by the variable `user-init-file`.
 
-If you have placed your prelude directory in `/opt/prelude` then,
-append the following line to the `site-start.el`
+If you have placed your Prelude directory in `/opt/prelude` then,
+append the following line to the `site-start.el`:
 
 ``` emacs-lisp
 (load "/opt/prelude/init.el")
 ```
 
-If you are using emacs as a daemon process, with other users or daemon
-processes interacting with the emacs daemon (e.g. Emacs is your window
+If you are using Emacs as a daemon process, with other users or daemon
+processes interacting with the Emacs daemon (e.g. Emacs is your window
 manager) then the `site-lisp` directory could be the right place to
 place your configuration files.