added changelog note for number helper improvement
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index 6697856..3e83cca 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -63,6 +63,11 @@
SVN Revision: XXXX</p>
<ul>
+ <li>Helpers
+ <ul>
+ <li>Improved accuracy of calculations in <a href="helpers/number_helper.html">Number helper</a>.</li>
+ </ul>
+ </li>
<li>Other changes
<ul>
<li>Improved performance and accuracy of xss_clean() (no changes to security)</li>