Documented the language file use of byte_format() in the number helper.
diff --git a/user_guide/helpers/number_helper.html b/user_guide/helpers/number_helper.html
index c3a8296..929c968 100644
--- a/user_guide/helpers/number_helper.html
+++ b/user_guide/helpers/number_helper.html
@@ -83,6 +83,11 @@
echo byte_format(123456789123456789); // Returns 11,228.3 TB
</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
+</p>
+
</div>
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