Correct broken link to projects documentation

Author: vlad902

index.html

@@ -88,7 +88,7 @@ <h1>OpenWorm</h1>
 					<a href="http://blog.openworm.org" target="_blank">Blog</a>
 				    </li>
 				    <li>
-					<a href="http://docs.openworm.org/en/latest/projects.html" target="_blank">Projects</a>
+					<a href="http://docs.openworm.org/en/latest/projects/" target="_blank">Projects</a>
 				    </li>
 				    <li>
 					<a id="geeks" href="http://www.redbubble.com/people/openworm/shop" target="_blank">For
@@ -419,7 +419,7 @@ <h2>Source code</h2>
 				   target="_blank">GitHub</a>
 				under
 				<a href="http://opensource.org/licenses/MIT" target="_blank">MIT</a>
-				licence. Different <a href="http://docs.openworm.org/en/latest/projects.html"
+				licence. Different <a href="http://docs.openworm.org/en/latest/projects/"
 						      target="_blank">sub-projects</a>
 				are hosted in different repositories.
 			    </p>