Updated GCM for Chrome docs

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 <meta name="doc-family" content="apps">
 <h1>API Reference for GCM service</h1>
 
 <p>
 The <a href="cloudMessaging.html">Google Cloud Messaging for Chrome</a> service
 sends messages to users of a Chrome packaged app.
 The service handles all aspects of queueing and delivering messages.
 To use the service,
 you must agree to the
 <a href="gcm_tos.html">Google Cloud Messaging for Chrome API Terms of Service</a>.
 </p>
 
 <p>Messages must conform to these constraints:</p>
 
 <ul>
         <li><strong>Maximum payload length:</strong> 256 bytes</li>
         <li><strong>Maxium subchannels:</strong> 4</li>
         <li><strong>Maximum API requests per day:</strong> 10,000</li>
 </ul>
 
 <h2 id="libraries">Google API client libraries</h2>
 
 <p>
 You may use the REST interface defined here
 to access Google Cloud Messaging for Chrome from your application.
 We also offer Google API client libraries for a number
 of popular programming languages that can be used to access the API.
 For more information, see
-<a href="https://developers.google.com/api-client-library">https://developers.google.com/api-client-library</a>.
+<a href="https://developers.google.com/api-client-library">Google APIs Client Libraries</a>.
 </p>
 
 <h2 id="insert">Insert method</h2>
 
 <p>
 The <code>gcm_for_chrome.messages.insert</code>
 method sends a message to your app or extension user.
 </p>
 
 <h2 id="authorization">Authentication</h3>
@@ skipping 17 matching lines @@
 </p>
 
 <table>
   <tr>
     <th scope="col">Parameter</th>
     <th scope="col">Description</th>
   </tr>
   <tr>
     <td><code>client_id</code></td>
     <td>Indicates the app or extension client that is making the request.
-    Obtained from the <a href="https://code.google.com/apis/console/">Google APIs console</a>;
+    Obtained from the <a href="https://code.google.com/apis/console/">Google APIs Console</a>;
     the parameter value must exactly match the client ID shown
     in the console.
     </td>
   </tr>
   <tr>
     <td><code>client_secret</code></td>
     <td>The client secret obtained during registration in
-        <a href="https://code.google.com/apis/console/">Google APIs console</a>.</td>
+        <a href="https://code.google.com/apis/console/">Google APIs Console</a>.</td>
   </tr>
   <tr>
     <td><code>refresh_token</code></td>
     <td>Token associated with app or extension used to obtain new access token.</td>
   </tr>
   <tr>
     <td><code>grant_type</code></td>
     <td>The <code>authorization_code</code> value of <code>refresh_token</code>.</td>
   </tr>
 </table>
 
 <h3 id="response">Response</h3>
 
+<p>
 The authorization response includes:
+</p>
 
 <table>
   <tr>
     <th scope="col">Field</th>
     <th scope="col">Description</th>
   </tr>
   <tr>
     <td><code>access_token</code></td>
     <td>Valid token required to access the GCM for Chrome service.</td>
   </tr>
   <tr>
     <td><code>expires_in</code></td>
     <td>Time until access token expires in seconds.</td>
   </tr>
   <tr>
     <td><code>token_type</code></td>
     <td>The returned token type, <code>Bearer</code>.</td>
   </tr>
 </table>
 
 <h2 id="request">Message request</h2>
 
 <h3 id="http">HTTP request</h3>
 
-<p><code>Post https://www.googleapis.com/gcm_for_chrome/v1/messages</code></p>
+<p><code>POST https://www.googleapis.com/gcm_for_chrome/v1/messages</code></p>
 
 <h3 id="body">Request body</h3>
 
+<p>
 In the request body, supply:
+</p>
 
 <table>
   <tr>
     <th scope="col">Parameter</th>
     <th scope="col">Description</th>
   </tr>
   <tr>
     <td><code>Content-Type</code></td>
     <td>The request body content type, <code>application/json</code>.</td>
   </tr>
@@ skipping 10 matching lines @@
     <td><code>subchannelId</code></td>
     <td>The subchannel to send the message on; only values 0-3 are valid.</td>
   </tr>
   <tr>
     <td><code>paylooad</code></td>
     <td>The message body (up to 256 bytes).</td>
   </tr>
 </table>
 
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