Update README.md

Had to look into code to find move did accept and options object

README.md

@@ -153,10 +153,14 @@ fs.mkdirsSync('/tmp/another/path');
 ```
 
 
-### move(src, dest, callback)
+### move(src, dest, [options], callback)
 
 Moves a file or directory, even across devices.
 
+Options:
+clobber (boolean): overwrite existing file or directory
+limit: (number): number of concurrent moves, see ncp for more information
+
 Example:
 
 ```javascript