updated 'Hidden directories' entry

- signed-off-by: trimstray <trimstray@gmail.com>

README.md

@@ -582,7 +582,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://labs.ripe.net/Members/cteusche/bgp-meets-cat"><b>BGP Meets Cat</b></a> - after 3072 hours of manipulating BGP, Job Snijders has succeeded in drawing a Nyancat.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://robertheaton.com/2018/11/28/https-in-the-real-world/"><b>HTTPS in the real world</b></a> - great tutorial explain how HTTPS works in the real world.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://about.gitlab.com/2018/11/14/how-we-spent-two-weeks-hunting-an-nfs-bug/"><b>Gitlab and NFS bug</b></a> - how we spent two weeks hunting an NFS bug in the Linux kernel.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://medium.com/@_bl4de/hidden-directories-and-files-as-a-source-of-sensitive-information-about-web-application-84e5c534e5ad"><b>Hidden directories</b></a> - hidden directories and files as a source of sensitive information about web application.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://medium.com/@_bl4de/hidden-directories-and-files-as-a-source-of-sensitive-information-about-web-application-84e5c534e5ad"><b>Hidden directories and files</b></a> - as a source of sensitive information about web application.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://www.catb.org/esr/faqs/hacker-howto.html"><b>How To Become A Hacker</b></a> - if you want to be a hacker, keep reading.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://ithare.com/infographics-operation-costs-in-cpu-clock-cycles/"><b>Operation Costs in CPU</b></a> - an infographics which should help to estimate costs of certain operations in CPU clocks.<br>
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