Fixed a couple of links broken by changes in docs.

Author: dhrp

dockerfile_tutorial/templates/dockerfile/level1.html

@@ -26,8 +26,8 @@ <h1>Dockerfile tutorial</h1>
 	<h2>Level 1 - FROM, RUN, #, MAINTAINER</h2>
 
 	<p>
-In this section we will cover the most important instructions: <code><a href="http://docs.docker.io/en/latest/use/builder/#from" target="_blank">FROM</a></code> and <code><a href="http://docs.docker.io/en/latest/use/builder/#run" target="_blank">RUN</a></code>.
-We will also see how to use the <code><a href="http://docs.docker.io/en/latest/commandline/cli/#build" target="_blank">docker build</a></code> command and how to specify the <a href="http://docs.docker.io/en/latest/use/builder/#maintainer" target="_blank">maintainer</a> of the Dockerfile and how to insert comments.
+In this section we will cover the most important instructions: <code><a href="http://docs.docker.io/en/latest/reference/builder/#from" target="_blank">FROM</a></code> and <code><a href="http://docs.docker.io/en/latest/reference/builder/#run" target="_blank">RUN</a></code>.
+We will also see how to use the <code><a href="http://docs.docker.io/en/latest/reference/commandline/cli/#build" target="_blank">docker build</a></code> command and how to specify the <a href="http://docs.docker.io/en/latest/reference/builder/#maintainer" target="_blank">maintainer</a> of the Dockerfile and how to insert comments.
 </p>
 
 <h3>Dockerfile instructions</h3>
@@ -58,7 +58,7 @@ <h3>The FROM instruction</h3>
 <pre>FROM ubuntu</pre>
 <p>
 In this example, we chose ubuntu as our base image. ubuntu is a “General use Ubuntu base image” provided by the Docker team.
-You can find a list of available images from the command line by using the <a href="http://docs.docker.io/en/latest/commandline/cli/#search" target="_blank">docker search</a> command.<br />
+You can find a list of available images from the command line by using the <a href="http://docs.docker.io/en/latest/reference/commandline/cli/#search" target="_blank">docker search</a> command.<br />
 Example:
 </p>
 <pre class="terminal">
@@ -86,7 +86,7 @@ <h3>The FROM instruction</h3>
 FROM centos
 </pre>
 <p>
-	You can also browse available images from Docker and the community online: <a href="http://index.docker.io" target="_blank">index.docker.io</a>
+	You can also browse available images from Docker and the community online: <a href="https://index.docker.io" target="_blank">index.docker.io</a>
 </p>
 <h3>The RUN instruction</h3>
 <p>
@@ -484,7 +484,7 @@ <h4>Fill the Dockerfile</h4>
 </div>
 
     <div class="alert alert-success" id="dockerfile_ok" style="display:none;">Congratulations, you successfully restored Eric's Dockerfile! You are ready to containerize the world!.<br />
-    Tell the world! <a href="https://twitter.com/share" class="twitter-share-button" data-url="http://www.docker.io/learn/dockerfile/level1/" data-text="I just successfully completed the 'Fill the Dockerfile' challenge of the #Dockerfile tutorial Level 1" data-via="docker" >Tweet</a>
+    Tell the world! <a href="https://twitter.com/share" class="twitter-share-button" data-url="https://www.docker.io/learn/dockerfile/level1/" data-text="I just successfully completed the 'Fill the Dockerfile' challenge of the #Dockerfile tutorial Level 1" data-via="docker" >Tweet</a>
     </div>
     <div class="alert alert-error" id="dockerfile_ko" style="display:none;">Wooops, there are one or more errors in the Dockerfile. Try again.</div>
     <button class="btn btn-primary" id="check_level1_fill">Check the Dockerfile</button></p>
@@ -499,7 +499,6 @@ <h3>What's next?</h3>
 
         </div>
     </div>
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 </div>
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