diff --git a/doc/src/refmanual/map.rst b/doc/src/refmanual/map.rst
index 5cdd911..d2c63eb 100644
--- a/doc/src/refmanual/map.rst
+++ b/doc/src/refmanual/map.rst
@@ -89,7 +89,7 @@ Expression semantics
 +---------------------------------------+-----------------------------------------------------------+
 | ``value_type<m,x>::type``             | Identical to ``x::second``; see |Associative Sequence|.   |
 +---------------------------------------+-----------------------------------------------------------+
-| ``insert<m,x>::type``                 | A new ``map`` equivalent to ``m`` except that             |
+| ``insert<m,x>::type``                 | A new ``map``, ``t``, equivalent to ``m`` except that     |
 |                                       | ::                                                        |
 |                                       |                                                           |
 |                                       |     at< t, key_type<m,x>::type >::type                    |
@@ -98,7 +98,7 @@ Expression semantics
 +---------------------------------------+-----------------------------------------------------------+
 | ``insert<m,pos,x>::type``             | Equivalent to ``insert<m,x>::type``; ``pos`` is ignored.  |
 +---------------------------------------+-----------------------------------------------------------+
-| ``erase_key<m,k>::type``              | A new ``map`` equivalent to ``m`` except that             |
+| ``erase_key<m,k>::type``              | A new ``map``, ``t``, equivalent to ``m`` except that     |
 |                                       | ``has_key<t, k>::value == false``.                        |
 +---------------------------------------+-----------------------------------------------------------+
 | ``erase<m,pos>::type``                | Equivalent to ``erase<m, deref<pos>::type >::type``.      |