Touch up the README a bit

README.md

@@ -560,7 +560,7 @@ Prelude, except a few variables like `prelude-dir`, etc (since nothing is yet lo
 
 #### Disabling whitespace-mode
 
-Although `whitespace-mode` is awesome some people might find it too
+Although `whitespace-mode` is awesome, some people might find it too
 intrusive. You can disable it in your
 personal config with the following bit of code:
 
@@ -568,17 +568,17 @@ personal config with the following bit of code:
 (setq prelude-whitespace nil)
 ```
 
-If you like `whitespace-mode` but prefer it to not automatically
+If you like `whitespace-mode`, but prefer it to not automatically
 cleanup your file on save, you can disable that behavior by setting
-prelude-clean-whitespace-on-save to nil in your config file with:
+`prelude-clean-whitespace-on-save` to `nil` in your config file with:
 
 ```lisp
 (setq prelude-clean-whitespace-on-save nil)
 ```
 
-The prelude-clean-whitespace-on-save setting can also be set on a
+The `prelude-clean-whitespace-on-save` setting can also be set on a
 per-file or directory basis by using a file variable or a
-.dir-locals.el file.
+`.dir-locals.el` file.
 
 
 #### Disable flyspell-mode