optional precision argument in byte_format()
diff --git a/user_guide/changelog.html b/user_guide/changelog.html
index b94e747..3bee5d3 100644
--- a/user_guide/changelog.html
+++ b/user_guide/changelog.html
@@ -89,6 +89,7 @@
by default so as to encourage responsible use (this function can cause server performance issues when used without caution).</li>
<li>Modified the second parameter of <kbd>directory_map()</kbd> in the <a href="helpers/directory_helper.html">Directory Helper</a> to accept an integer to specify recursion depth.</li>
<li>Modified <kbd>delete_files()</kbd> in the <a href="helpers/file_helper.html">File Helper</a> to return FALSE on failure.</li>
+ <li>Added an optional second parameter to <kbd>byte_format()</kbd> in the <a href="helpers/number_helper.html">Number Helper</a> to allow for decimal precision.</li>
</ul>
</li>
<li>Other Changes
diff --git a/user_guide/helpers/number_helper.html b/user_guide/helpers/number_helper.html
index 722b7f6..545c4b7 100644
--- a/user_guide/helpers/number_helper.html
+++ b/user_guide/helpers/number_helper.html
@@ -76,13 +76,19 @@
<code>
echo byte_format(456); // Returns 456 Bytes<br />
echo byte_format(4567); // Returns 4.5 KB<br />
-echo byte_format(45678); // Returns 44.8 KB<br />
+echo byte_format(45678); // Returns 44.6 KB<br />
echo byte_format(456789); // Returns 447.8 KB<br />
echo byte_format(3456789); // Returns 3.3 MB<br />
echo byte_format(12345678912345); // Returns 1.8 GB<br />
echo byte_format(123456789123456789); // Returns 11,228.3 TB
</code>
+<p>An optional second parameter allows you to set the precision of the result.</p>
+
+<code>
+echo byte_format(45678, 2); // Returns 44.61 KB
+</code>
+
<p class="important">
<strong>Note:</strong>
The text generated by this function is found in the following language file: language/<your_lang>/number_lang.php