diff --git a/docs/DesignDocs/VisibilityMacros.rst b/docs/DesignDocs/VisibilityMacros.rst
index 20665cd80..d02d2dfee 100644
--- a/docs/DesignDocs/VisibilityMacros.rst
+++ b/docs/DesignDocs/VisibilityMacros.rst
@@ -98,7 +98,8 @@ Visibility Macros
   explicit instantiations themselves are marked as exported. Note that this
   applies *only* to extern *class* templates. Extern *function* templates obey
   regular import/export semantics, and applying `dllexport` directly to the
-  extern template declaration is the correct thing to do for them.
+  extern template declaration (i.e. using `_LIBCPP_FUNC_VIS`) is the correct
+  thing to do for them.
 
 **_LIBCPP_CLASS_TEMPLATE_INSTANTIATION_VIS**
   Mark the member functions, typeinfo, and vtable of an explicit instantiation
diff --git a/include/string b/include/string
index 010a4c781..97fb4a1e2 100644
--- a/include/string
+++ b/include/string
@@ -4006,7 +4006,7 @@ basic_string<_CharT, _Traits, _Allocator>::__subscriptable(const const_iterator*
 
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_string<char>)
 _LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_string<wchar_t>)
-_LIBCPP_EXTERN_TEMPLATE(string operator+<char, char_traits<char>, allocator<char> >(char const*, string const&))
+_LIBCPP_EXTERN_TEMPLATE(_LIBCPP_FUNC_VIS string operator+<char, char_traits<char>, allocator<char> >(char const*, string const&))
 
 #if _LIBCPP_STD_VER > 11 
 // Literal suffixes for basic_string [basic.string.literals]