diff --git a/include/boost/intrusive/bstree.hpp b/include/boost/intrusive/bstree.hpp
index ac67e86..410eedf 100644
--- a/include/boost/intrusive/bstree.hpp
+++ b/include/boost/intrusive/bstree.hpp
@@ -725,15 +725,22 @@ class bstree_impl
          this->insert_equal(b, e);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Constructs a container moving resources from another container.
+   //!   Internal comparison object and value traits are move constructed and
+   //!   nodes belonging to x (except the node representing the "end") are linked to *this.
    //!
+   //! <b>Complexity</b>: Constant.
+   //!
+   //! <b>Throws</b>: If value_traits::node_traits::node's
+   //!   move constructor throws (this does not happen with predefined Boost.Intrusive hooks)
+   //!   or the move constructor of the comparison objet throws.
    bstree_impl(BOOST_RV_REF(bstree_impl) x)
       : data_type(::boost::move(x.comp()), ::boost::move(x.get_value_traits()))
    {
       this->swap(x);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Equivalent to swap
    //!
    BOOST_INTRUSIVE_FORCEINLINE bstree_impl& operator=(BOOST_RV_REF(bstree_impl) x)
    {  this->swap(x); return *this;  }
diff --git a/include/boost/intrusive/hashtable.hpp b/include/boost/intrusive/hashtable.hpp
index bae9d52..35ba774 100644
--- a/include/boost/intrusive/hashtable.hpp
+++ b/include/boost/intrusive/hashtable.hpp
@@ -1798,8 +1798,15 @@ class hashtable_impl
          this->insert_equal(b, e);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Constructs a container moving resources from another container.
+   //!   Internal value traits, bucket traits, hasher and comparison are move constructed and
+   //!   nodes belonging to x are linked to *this.
    //!
+   //! <b>Complexity</b>: Constant.
+   //!
+   //! <b>Throws</b>: If value_traits::node_traits::node's
+   //!   move constructor throws (this does not happen with predefined Boost.Intrusive hooks)
+   //!   or the move constructor of value traits, bucket traits, hasher or comparison throws.
    hashtable_impl(BOOST_RV_REF(hashtable_impl) x)
       : internal_type( ::boost::move(x.priv_value_traits())
                      , ::boost::move(x.priv_bucket_traits())
@@ -1815,7 +1822,7 @@ class hashtable_impl
       x.priv_split_traits().set_size(size_type(0));
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Equivalnet to swap.
    //!
    hashtable_impl& operator=(BOOST_RV_REF(hashtable_impl) x)
    {  this->swap(x); return *this;  }
diff --git a/include/boost/intrusive/list.hpp b/include/boost/intrusive/list.hpp
index a955c44..71eac5c 100644
--- a/include/boost/intrusive/list.hpp
+++ b/include/boost/intrusive/list.hpp
@@ -215,8 +215,15 @@ class list_impl
       this->insert(this->cend(), b, e);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Constructs a container moving resources from another container.
+   //!   Internal value traits are move constructed and
+   //!   nodes belonging to x (except the node representing the "end") are linked to *this.
    //!
+   //! <b>Complexity</b>: Constant.
+   //!
+   //! <b>Throws</b>: If value_traits::node_traits::node's
+   //!   move constructor throws (this does not happen with predefined Boost.Intrusive hooks)
+   //!   or the move constructor of value traits throws.
    list_impl(BOOST_RV_REF(list_impl) x)
       : data_(::boost::move(x.priv_value_traits()))
    {
@@ -226,7 +233,7 @@ class list_impl
       this->swap(x);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Equivalent to swap
    //!
    list_impl& operator=(BOOST_RV_REF(list_impl) x)
    {  this->swap(x); return *this;  }
diff --git a/include/boost/intrusive/slist.hpp b/include/boost/intrusive/slist.hpp
index f34350d..1f7ace1 100644
--- a/include/boost/intrusive/slist.hpp
+++ b/include/boost/intrusive/slist.hpp
@@ -338,8 +338,15 @@ class slist_impl
       this->insert_after(this->cbefore_begin(), b, e);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Constructs a container moving resources from another container.
+   //!   Internal value traits are move constructed and
+   //!   nodes belonging to x (except the node representing the "end") are linked to *this.
    //!
+   //! <b>Complexity</b>: Constant.
+   //!
+   //! <b>Throws</b>: If value_traits::node_traits::node's
+   //!   move constructor throws (this does not happen with predefined Boost.Intrusive hooks)
+   //!   or the move constructor of value traits throws.
    slist_impl(BOOST_RV_REF(slist_impl) x)
       : data_(::boost::move(x.priv_value_traits()))
    {
@@ -348,7 +355,7 @@ class slist_impl
       this->swap(x);
    }
 
-   //! <b>Effects</b>: to-do
+   //! <b>Effects</b>: Equivalent to swap
    //!
    slist_impl& operator=(BOOST_RV_REF(slist_impl) x)
    {  this->swap(x); return *this;  }