Merge pull request #366 from zhiyelee/typo

fix typo

Readme.md

@@ -147,7 +147,7 @@ program
 ```
 
 When `.command()` is invoked with a description argument, no `.action(callback)` should be called to handle sub-commands, otherwise there will be an error. This tells commander that you're going to use separate executables for sub-commands, much like `git(1)` and other popular tools.  
-The commander will try to search the executables in the directory of the entry script(like `./examples/pm`) with the name `program-command`, like `pm-install`, `pm-search`.
+The commander will try to search the executables in the directory of the entry script (like `./examples/pm`) with the name `program-command`, like `pm-install`, `pm-search`.
 
 If the program is designed to installed globally, make sure the executables have proper modes, like `755`.
 
@@ -303,7 +303,7 @@ program
 program.parse(process.argv);
 ```
 
-You can see more Demos in the [examples](https://github.com/tj/commander.js/tree/master/examples) directory.
+More Demos can be found in the [examples](https://github.com/tj/commander.js/tree/master/examples) directory.
 
 ## License