diff --git a/include/boost/preprocessor/list/append.hpp b/include/boost/preprocessor/list/append.hpp
index 0553817..0e7cfd7 100644
--- a/include/boost/preprocessor/list/append.hpp
+++ b/include/boost/preprocessor/list/append.hpp
@@ -42,9 +42,9 @@
   <li><a href="../../test/list_test.cpp">list_test.cpp</a></li>
 </ul>
 */
-#define BOOST_PP_LIST_APPEND(L,P) BOOST_PP_LIST_APPEND_D(0,L,P)
+#define BOOST_PP_LIST_APPEND(L,R) BOOST_PP_LIST_APPEND_D(0,L,R)
 
 /** <p>Can be used inside BOOST_PP_WHILE().</p> */
-#define BOOST_PP_LIST_APPEND_D(D,L,P) BOOST_PP_LIST_FOLD_RIGHT_D(D,BOOST_PP_LIST_APPEND_F,L,P)
+#define BOOST_PP_LIST_APPEND_D(D,L,R) BOOST_PP_LIST_FOLD_RIGHT_D(D,BOOST_PP_LIST_APPEND_F,L,R)
 #define BOOST_PP_LIST_APPEND_F(D,H,P) (H,P,1)
 #endif
diff --git a/include/boost/preprocessor/list/fold_left_2nd.hpp b/include/boost/preprocessor/list/fold_left_2nd.hpp
index 56cfaeb..2879e85 100644
--- a/include/boost/preprocessor/list/fold_left_2nd.hpp
+++ b/include/boost/preprocessor/list/fold_left_2nd.hpp
@@ -16,7 +16,13 @@
 #include <boost/preprocessor/list/adt.hpp>
 #include <boost/preprocessor/while.hpp>
 
-/** <p>Same as BOOST_PP_FOLD_LEFT(), but is implemented independently.</p> */
+/** <p>Same as BOOST_PP_LIST_FOLD_LEFT(), but implemented independently.</p>
+
+<h3>Uses</h3>
+<ul>
+  <li>BOOST_PP_WHILE()</li>
+</ul>
+*/
 #define BOOST_PP_LIST_FOLD_LEFT_2ND(F,P,L) BOOST_PP_LIST_FOLD_LEFT_2ND_D(0,F,P,L)
 
 /** <p>Can be used inside BOOST_PP_WHILE().</p> */
diff --git a/include/boost/preprocessor/list/fold_right_2nd.hpp b/include/boost/preprocessor/list/fold_right_2nd.hpp
index d7aa4fd..ecb1a85 100644
--- a/include/boost/preprocessor/list/fold_right_2nd.hpp
+++ b/include/boost/preprocessor/list/fold_right_2nd.hpp
@@ -16,7 +16,13 @@
 #include <boost/preprocessor/list/fold_left_2nd.hpp>
 #include <boost/preprocessor/list/reverse.hpp>
 
-/** <p>Same as BOOST_PP_LIST_FOLD_RIGHT(), but is implemented independently.</p> */
+/** <p>Same as BOOST_PP_LIST_FOLD_RIGHT(), but implemented independently.</p>
+
+<h3>Uses</h3>
+<ul>
+  <li>BOOST_PP_LIST_FOLD_LEFT_2ND()</li>
+</ul>
+*/
 #define BOOST_PP_LIST_FOLD_RIGHT_2ND(F,L,P) BOOST_PP_LIST_FOLD_RIGHT_2ND_D(0,F,L,P)
 
 /** <p>Can be used inside BOOST_PP_WHILE().</p> */