Remove extra parentheses

Author: arturoherrero

README.md

@@ -881,13 +881,13 @@ pairwise constructs as found in e.g. `let` and `cond`.
  (cond
  (< n 0) "negative"
  (> n 0) "positive"
- :else "zero"))
+ :else "zero")
 
  ;; bad
  (cond
  (< n 0) "negative"
  (> n 0) "positive"
- true "zero"))
+ true "zero")
  ```
 
 * <a name="condp"></a>