Merge branch 'hotfix/changelog'

Author: weierophinney

CHANGELOG.md

@@ -18,15 +18,20 @@ All notable changes to this project will be documented in this file, in reverse
 
 ### Fixed
 
-- Nothing.
+- [#8](https://github.com/zendframework/zend-authentication/pull/8) updates
+  dependencies to allow usage of zend-stdlib 3.0, and to require tests to
+  pass against PHP 7.
 
 ## 2.5.2 - 2015-06-15
 
 ### Added
 
-- [#8](https://github.com/zendframework/zend-authentication/pull/8) updates
-  dependencies to allow usage of zend-stdlib 3.0, and to require tests to
-  pass against PHP 7.
+- [#4](https://github.com/zendframework/zend-authentication/pull/4) adds
+  documentation, which can be compiled using [bookdown](http://bookdown.io):
+  `bookdown doc/bookdown.json`; docs can then be viewed by starting a web server
+  via `php -S 0.0.0.0:8000 -t doc/html/` and browsing to http://localhost:8000/.
+
+  (Add bookdown globally using `composer global require bookdown/bookdown`.)
 
 ### Deprecated