update changelog

CHANGELOG.md

@@ -4,6 +4,7 @@ owncloud-news (7.1.2)
   * Use Gulp instead of Grunt
   * CSS is not minified anymore to make CSS contributions easier
 * **Enhancement**: Update picoFeed
+* **Bugfix**: Fix bug that would sometimes break the rendering of the explore page
 
 owncloud-news (7.1.1)
 * **Enhancement**: Add vk.com to allowed iframe sources