diff --git a/ZCppMain/ZtCStringEx.H b/ZCppMain/ZtCStringEx.H
index cdca35d..e7cc721 100644
--- a/ZCppMain/ZtCStringEx.H
+++ b/ZCppMain/ZtCStringEx.H
@@ -151,12 +151,11 @@ namespace ZNsMain
         /*/////////////////////////////////*/ TypeCStr  ;
         typedef TTypCh /*//////////////////*/ TypeChar  ;
         static const int CI_ByteSize = sizeof(TypeChar) ;
-    public:
         typedef typename
             ZtCCharInt<TypeChar>::TypeInt     TypeInt   ;
     public:
-        typedef TypeChar char_type ; // for stl string
-        typedef TypeInt  int_type  ; // for stl string
+        typedef TypeChar char_type ; // for stl string/wstring
+        typedef TypeInt  int_type  ; // for stl string/wstring
     public:
     };/*
     class ZtCCharType /*#####################################################*/
@@ -330,7 +329,7 @@ namespace ZNsMain
         typedef ZCStringList  TypeList  ;
     public:
         typedef ZNsMain::ZtCCharType<ZtCStringBase> ZCCharType ;
-        typedef ZNsMain::ZtCCharType<ZtCStringBase> traits_type; // for strl string
+        typedef ZNsMain::ZtCCharType<ZtCStringBase> traits_type; // for strl string/wstring
         typedef typename ZCCharType::TypeInt        TypeCharInt;
     public: