Merge pull request #1 from snigavig/patch-1

Update README.md

Author: dvasuta

README.md

@@ -205,7 +205,7 @@
     var items = [];
     ```
 
-  - If you don't know array length use Array#push.
+  - If you don't know array length use `Array#push`.
 
     ```javascript
     var someStack = [];