Update 2013-10-16-react-v0.5.0.md (#2945)

Author: NotMoni

content/blog/2013-10-16-react-v0.5.0.md

@@ -34,7 +34,7 @@ It's been awesome to see the things that people are building with React, and we
 * Added `React.version`.
 * Added `React.isValidClass` - Used to determine if a value is a valid component constructor.
 * Removed `React.autoBind` - This was deprecated in v0.4 and now properly removed.
-* Renamed  `React.unmountAndReleaseReactRootNode` to `React.unmountComponentAtNode`.
+* Renamed `React.unmountAndReleaseReactRootNode` to `React.unmountComponentAtNode`.
 * Began laying down work for refined performance analysis.
 * Better support for server-side rendering - [react-page](https://github.com/facebook/react-page) has helped improve the stability for server-side rendering.
 * Made it possible to use React in environments enforcing a strict [Content Security Policy](https://developer.mozilla.org/en-US/docs/Security/CSP/Introducing_Content_Security_Policy). This also makes it possible to use React to build Chrome extensions.