README.md in lisp-interpreter-0.4.4 vs README.md in lisp-interpreter-0.5.0

- old
+ new

@@ -94,10 +94,10 @@
     
     (string-join '(1 2) "potato"); "1potato2"
     
 list and pairs:
     
-    (null? \'()); #t
+    (null? '()); #t
     
     (cons 1 2); (1 . 2)
     
     null; ()