Added an email helper into core helpers.
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 74068ef..684d3fa 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -120,7 +120,8 @@
<li>Helpers & Plugins
<ul>
- <li>Added <kbd>strip_quotes()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>
+ <li>Added an <a href="./helpers/email_helper.html">email helper</a> into core helpers.</li>
+ <li>Added <kbd>strip_quotes()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>
<li>Added <kbd>reduce_multiples()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>
<li>Added <kbd>quotes_to_entities()</kbd> function to <a href="./helpers/string_helper.html">string helper</a>.</li>
<li>Added <kbd>form_fieldset()</kbd>, <kbd>form_fieldset_close()</kbd>, <kbd>form_label()</kbd>, and <kbd>form_reset()</kbd> function to <a href="./helpers/form_helper.html">form helper</a>.</li>