diff --git a/htdocs/core/lib/functionsnumtoword.lib.php b/htdocs/core/lib/functionsnumtoword.lib.php
index 94479fe2c28..26a4874678c 100644
--- a/htdocs/core/lib/functionsnumtoword.lib.php
+++ b/htdocs/core/lib/functionsnumtoword.lib.php
@@ -25,7 +25,7 @@
 
 /**
  * Function to return number in text.
- *
+ * May use module NUMBERWORDS if found.
  *
  * @param	float       $num			Number to convert
  * @param	Translate   $langs			Language