diff --git a/htdocs/html.form.class.php b/htdocs/html.form.class.php
index 69c46268478..cba18fa99e4 100644
--- a/htdocs/html.form.class.php
+++ b/htdocs/html.form.class.php
@@ -66,9 +66,9 @@ class Form {
     }
 
     print '<select name="'.$name.'">';
-    print '<option value="19.6">19.6';
-    print '<option value="5.5">5.5';
-    print '<option value="0">0';
+    print '<option value="19.6">19.6 %</option>';
+    print '<option value="5.5">5.5 %</option>';
+    print '<option value="0">0 %</option>';
     print '</select>';
   }