Rebuild getting started guide.

more/getting_started/unix-variants.html

@@ -63,12 +63,12 @@
 <p>The most reliable way to get a copy of Boost is to download a
 distribution from <a class="reference external" href="http://www.boost.org/users/history/version_1_61_0.html">SourceForge</a>:</p>
 <ol class="arabic">
-<li><p class="first">Download <a class="reference external" href="http://www.boost.org/users/history/version_1_61_0.html"><tt class="docutils literal">boost_1_60_0</tt><tt class="docutils literal">.tar.bz2</tt></a>.</p>
+<li><p class="first">Download <a class="reference external" href="http://www.boost.org/users/history/version_1_61_0.html"><tt class="docutils literal">boost_1_61_0</tt><tt class="docutils literal">.tar.bz2</tt></a>.</p>
 </li>
 <li><p class="first">In the directory where you want to put the Boost installation,
 execute</p>
 <pre class="literal-block">
-tar --bzip2 -xf <em>/path/to/</em><tt class="docutils literal">boost_1_60_0</tt>.tar.bz2
+tar --bzip2 -xf <em>/path/to/</em><tt class="docutils literal">boost_1_61_0</tt>.tar.bz2
 </pre>
 </li>
 </ol>