Changelog PSHB callback

CHANGELOG.md

@@ -20,6 +20,7 @@
 	* Fixed JavaScript bug when articles were not always marked as read [#1123](https://github.com/FreshRSS/FreshRSS/issues/1123)
 	* Fixed Apache Etag issue that prevented caching [#1199](https://github.com/FreshRSS/FreshRSS/pull/1199)
 	* Fixed OPML import of categories [#1202](https://github.com/FreshRSS/FreshRSS/issues/1202)
+	* Fixed PubSubHubbub callback address bug on some configurations [1229](https://github.com/FreshRSS/FreshRSS/pull/1229)
 * UI
 	* Use sticky category column [#1172](https://github.com/FreshRSS/FreshRSS/pull/1172)
 	* Updated to jQuery 3.1.0 and several JavaScript fixes (e.g. drag & drop) [#1197](https://github.com/FreshRSS/FreshRSS/pull/1197)