Fixed link to opalrb

Author: Jonas Schubert Erlandsson

index.html

@@ -44,7 +44,7 @@ <h3>Ruby VM in Javascript</h3>
 
 			<h3>Ruby runtime implemented in Javascript</h3>
 
-			<p>This is where Opal (<a href="http://opaljs.org">opaljs.org</a>) comes in. This is a two part project that consists of a Ruby parser/converter and a Javascript runtime for that.</p>
+			<p>This is where Opal (<a href="http://opalrb.org">opalrb.org</a>) comes in. This is a two part project that consists of a Ruby parser/converter and a Javascript runtime for that.</p>
 
 			<p>Basically it takes Ruby source code and transforms it to Javascript, making a few assumptions along the way.</p>