Merge pull request bbatsov#88 from ccfontes/patch-1

Make if-not good example consistent with bad

Author: bbatsov

README.md

@@ -477,7 +477,7 @@ pairwise constructs as found in e.g. `let` and `cond`.
 
  ```Clojure
  ;; good
- (if-not (pred)
+ (if-not pred
   (foo))
 
  ;; bad