diff --git a/doc/27_ref_optional_synopsis.qbk b/doc/27_ref_optional_synopsis.qbk
index 54523d6..8a9386f 100644
--- a/doc/27_ref_optional_synopsis.qbk
+++ b/doc/27_ref_optional_synopsis.qbk
@@ -120,7 +120,7 @@
         
         template<class U> optional& operator = ( optional<U>&& rhs ) ; ``[link reference_optional_operator_move_equal_other_optional __GO_TO__]``
         
-        template<class... Args> void emplace ( Args...&& args ) ; ``[link reference_optional_emplace __GO_TO__]``
+        template<class... Args> void emplace ( Args&&... args ) ; ``[link reference_optional_emplace __GO_TO__]``
 
         template<class InPlaceFactory> optional& operator = ( InPlaceFactory const& f ) ; ``[link reference_optional_operator_equal_factory __GO_TO__]``
 
diff --git a/doc/28_ref_optional_semantics.qbk b/doc/28_ref_optional_semantics.qbk
index 78a628c..803b244 100644
--- a/doc/28_ref_optional_semantics.qbk
+++ b/doc/28_ref_optional_semantics.qbk
@@ -446,7 +446,7 @@ __SPACE__
 
 [#reference_optional_emplace]
 
-[: `template<class... Args> void optional<T>::emplace( Args...&& args );`]
+[: `template<class... Args> void optional<T>::emplace( Args&&... args );`]
 
 * [*Requires:] The compiler supports rvalue references and variadic templates.
 * [*Effect:] If `*this` is initialized calls `*this = none`.