Update index.html

Author: npoiata

index.html

@@ -48,7 +48,7 @@ <h1>
 <h2>
 <a id="code-availability" class="anchor" href="#code-availability" aria-hidden="true"><span aria-hidden="true" class="octicon octicon-link"></span></a>Code availability</h2>
 
-<p>BackTrackBB code will be available soon on the <a href="https://github.com/BackTrackBB/backtrackbb">GitHub repository</a>.</p>
+<p>BackTrackBB code is available on <a href="https://github.com/BackTrackBB/backtrackbb/">GitHub repository</a>.</p>
 
 <p>For further information, contact the authors:</p>