Rename Edit on GitHub to View on GitHub

CONTRIBUTING.md

@@ -21,7 +21,7 @@ Please submit your pull request on the *master* branch. If the fix is critical a
 1. Fork the repo and create your branch from `master`.
 2. **Describe your test plan in your commit.** If you've added code that should be tested, add tests!
 3. If you've changed APIs, update the documentation.
-4. If you've updated the docs, verify the website locally and submit screenshots if applicable
+4. If you've updated the docs, verify the website locally and submit screenshots if applicable.
 
     ```
     $ cd website

website/core/HeaderWithGithub.js

@@ -41,7 +41,7 @@ var HeaderWithGithub = React.createClass({
               <a
                 target="_blank"
                 href={getVersionedGithubPath(this.props.path, this.context.version)}>
-                Edit on GitHub
+                View on GitHub
               </a>
             </td>
           </tr>