[doc] Minor: fix ``code``.

include/fmt/core.h

@@ -625,7 +625,7 @@ template <typename S> using char_t = typename detail::char_t_impl<S>::type;
   \rst
   Parsing context consisting of a format string range being parsed and an
   argument counter for automatic indexing.
-  You can use the ```format_parse_context`` type alias for ``char`` instead.
+  You can use the ``format_parse_context`` type alias for ``char`` instead.
   \endrst
  */
 template <typename Char, typename ErrorHandler = detail::error_handler>

include/fmt/format.h

@@ -603,7 +603,7 @@ enum { inline_buffer_size = 500 };
   A dynamically growing memory buffer for trivially copyable/constructible types
   with the first ``SIZE`` elements stored in the object itself.
 
-  You can use the ```memory_buffer`` type alias for ``char`` instead.
+  You can use the ``memory_buffer`` type alias for ``char`` instead.
 
   **Example**::