Update: add changelog
diff --git a/user_guide_src/source/changelog.rst b/user_guide_src/source/changelog.rst
index f3e7cbb..925785d 100644
--- a/user_guide_src/source/changelog.rst
+++ b/user_guide_src/source/changelog.rst
@@ -107,6 +107,7 @@
- Fixed a bug (#467) - Suppress warnings generated from get_magic_quotes_gpc() (deprecated in PHP 5.4)
- Fixed a bug (#484) - First time _csrf_set_hash() is called, hash is never set to the cookie (in Security.php).
- Fixed a bug (#60) - Added _file_mime_type() method to the `File Uploading Library <libraries/file_uploading>` in order to fix a possible MIME-type injection.
+- Fixed a bug (#537) - Support for all wav type in browser.
Version 2.0.3
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