diff --git a/include/xo/stringtable2/StringTable.hpp b/include/xo/stringtable2/StringTable.hpp
index 8d0354c..2a0d570 100644
--- a/include/xo/stringtable2/StringTable.hpp
+++ b/include/xo/stringtable2/StringTable.hpp
@@ -27,6 +27,7 @@ namespace xo {
             using size_type = StringMap::size_type;
 
         public:
+            /** hint_max_capacity in bytes = capacity for strings **/
             StringTable(size_type hint_max_capacity,
                         bool debug_flag = false);