adjusted the README to reflect recent configuration changes

README.md

@@ -235,14 +235,14 @@ P.S. Solarized is not available by default - you'll have to install it from MELP
 Fork the official Prelude repo and add your own touch to it. You're advised to avoid changing stuff outside of the
 personal folder to avoid having to deal with git merge conflicts in the future.
 
-#### Disable whitespace-mode
+#### Enabling whitespace-mode
 
-Some people find `whitespace-mode` too intrusive and might want to
-disable it. It come be done from your personal config with the
-following bit of code:
+Although `whitespace-mode` is awesome some people find it too
+intrusive so it's disabled by default. You can enable it in your
+personal config with the following bit of code:
 
 ```lisp
-(add-hook 'prog-mode-hook 'whitespace-turn-off t)
+(setq prelude-whitespace t)
 ```
 
 #### Disable flyspell-mode
@@ -305,7 +305,7 @@ current Emacs session or add the following snippet to your
 personal Emacs customization to enable them permanently:
 
 ```lisp
-(add-hook 'prog-mode-hook 'turn-off-guru-mode t)
+(setq prelude-guru nil)
 ```
 
 ### Windows compatibility