fix ttrss-reader

missing final .

README.md

@@ -454,7 +454,7 @@ See https://github.com/n1trux/awesome-sysadmin#dns
   * [Tiny Tiny RSS](https://tt-rss.org/gitlab/fox/tt-rss) - Open source web-based news feed (RSS/Atom) reader and aggregator. ([Public instance](http://framanews.org/)) `GPLv3` `PHP`
     * [gritttt-rss](http://gritttt-rss.nicolashoening.de/) - More features for Tiny Tiny RSS. ([Source Code](https://github.com/nhoening/gritttt-rss)) `BSD` `Python`
     * [ttrss-mobile](https://github.com/mboinet/ttrss-mobile) - A mobile webapp for Tiny Tiny RSS. `AGPLv3` `Nodejs`
-    * [ttrss-reader](https://github.com/kucrut/ttrss-reader) - Light and responsive client for TTRSS `GPLv2` `Javascript`
+    * [ttrss-reader](https://github.com/kucrut/ttrss-reader) - Light and responsive client for TTRSS. `GPLv2` `Javascript`