1 files changed, 1 insertions, 1 deletions
diff --git a/libbutl/url.mxx b/libbutl/url.mxx
index 90f1cc2..d2360f0 100644
--- a/libbutl/url.mxx
+++ b/libbutl/url.mxx
@@ -255,7 +255,7 @@ LIBBUTL_MODEXPORT namespace butl
   class basic_url
   {
   public:
-    using traits = T;
+    using traits = T; //@@ TODO: rename traits_type.
 
     using string_type = typename traits::string_type;
     using char_type   = typename string_type::value_type;