User_agent library improvements
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index a705319..4756eb3 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -22,7 +22,7 @@
    -  PHP 5.1.6 is no longer supported. CodeIgniter now requires PHP 5.2.4.
    -  Added an optional backtrace to php-error template.
    -  Added Android to the list of user agents.
-   -  Added Windows 7 to the list of user platforms.
+   -  Added Windows 7, Android, Blackberry and iOS to the list of user platforms.
    -  Ability to log certain error types, not all under a threshold.
    -  Added support for pem, p10, p12, p7a, p7c, p7m, p7r, p7s, crt, crl, der, kdb, rsa, cer, sst, csr Certs to mimes.php.
    -  Added support for pgp and gpg to mimes.php.