diff --git a/doc/type_name.qbk b/doc/type_name.qbk
index 1a29c7e..f415cee 100644
--- a/doc/type_name.qbk
+++ b/doc/type_name.qbk
@@ -25,7 +25,7 @@ differences and extra template parameters of the standard library
 container types.
 
 For example, `type_name< std::map<std::string, int> >()` returns
-`std::map<std::string, int>` and not
+`"std::map<std::string, int>"` and not
 
 ```
   std::map<std::__cxx11::basic_string<char, std::char_traits<char>,