implemented fopen mode constants
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 9817d16..615d363 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -72,7 +72,7 @@
<ul>
<li>Added 'application/vnd.ms-powerpoint' to list of mime types.</li>
<li>Added 'audio/mpg' to list of mime types.</li>
- <li>Added new user-modifiable file constants.php containing file mode constants.</li>
+ <li>Added new user-modifiable file constants.php containing file mode and fopen constants.</li>
<li>Added the ability to set CRLF settings via config in the <a href="libraries/email.html">Email</a> class.</li>
</ul>
</li>