diff --git a/htdocs/core/lib/functions.lib.php b/htdocs/core/lib/functions.lib.php
index cc67864f59c..22ff541f7d5 100644
--- a/htdocs/core/lib/functions.lib.php
+++ b/htdocs/core/lib/functions.lib.php
@@ -375,7 +375,7 @@ function GETPOSTISSET($paramname)
  *  @param  string  $paramname   Name of parameter to found
  *  @param  string  $check	     Type of check
  *                               ''=no check (deprecated)
- *                               'none'=no check (only for param that should have very rich content)
+ *                               'none'=no check (only for param that should have very rich content like passwords)
  *                               'array', 'array:restricthtml' or 'array:aZ09' to check it's an array
  *                               'int'=check it's numeric (integer or float)
  *                               'intcomma'=check it's integer+comma ('1,2,3,4...')