Finish incomplete sentence

Author: ch4rr0

doc/website/recent_news.ssi

@@ -1,6 +1,7 @@
 <h2>1.2.1 - 06/12/2017</h2>
 <p>Please note that Bowtie will be switching to the Artistic 2.0 license in the next release.<br/>
-Pre-build binaries now include statically linked TBB and zlib libraries no longer requiring</p>
+Pre-build binaries now include statically linked TBB and zlib libraries no longer requiring that
+these libraries be pre-installed.</p>
 <ul>
     <li>Fixed an issue which caused Bowtie to hang during parallell index building when running an optimized binary</li>
     <li>Deprecated <tt>--refout</tt> option.  It will be fully removed in the next release</li>