diff --git a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ERP5Site_checkNamingConventions.xml b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ERP5Site_checkNamingConventions.xml
index 8aefc4d34c6233725c6aab50f120fcb1d8bd162e..38083ca67add41e4076ac42dca5a4a0d07e1c5aa 100644
--- a/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ERP5Site_checkNamingConventions.xml
+++ b/product/ERP5/bootstrap/erp5_core/SkinTemplateItem/portal_skins/erp5_core/ERP5Site_checkNamingConventions.xml
@@ -72,7 +72,7 @@ ABBREVIATION_WORD_SET = ((\n
 ))\n
 \n
 # List of words that do not need to be titlecased\n
-LOWERCASE_WORD_SET = set((\'g\', \'cm\', \'kg\', \'%\', \'/\', \'...\', \'m\', \'-\', \'g/m2\', \'iCalendar\', \'m³\', \'kB\'))\n
+LOWERCASE_WORD_SET = set((\'g\', \'cm\', \'kg\', \'%\', \'/\', \'...\', \'m\', \'-\', \'g/m2\', \'iCalendar\', \'m³\', \'kB\', \'s\', ))\n
 \n
 # List of words that should not be modified\n
 SPECIALCASE_WORD_SET = set(("ChangeLog", "EGov", "iCal", "included",\n