diff --git a/doc/ref/api-memory.texi b/doc/ref/api-memory.texi
index 6512650ce..130ff84db 100644
--- a/doc/ref/api-memory.texi
+++ b/doc/ref/api-memory.texi
@@ -1,6 +1,6 @@
 @c -*-texinfo-*-
 @c This is part of the GNU Guile Reference Manual.
-@c Copyright (C)  1996, 1997, 2000, 2001, 2002, 2003, 2004, 2009, 2010, 2012, 2013
+@c Copyright (C)  1996, 1997, 2000, 2001, 2002, 2003, 2004, 2009, 2010, 2012, 2013, 2014
 @c   Free Software Foundation, Inc.
 @c See the file guile.texi for copying conditions.
 
@@ -350,6 +350,17 @@ Return @code{#t} if @var{obj} is a weak vector. Note that all
 weak hashes are also weak vectors.
 @end deffn
 
+@deffn {Scheme Procedure} weak-vector-ref wvect k
+@deffnx {C Function} scm_weak_vector_ref (wvect, k)
+Return the @var{k}th element of the weak vector @var{wvect}, or
+@code{#f} if that element has been collected.
+@end deffn
+
+@deffn {Scheme Procedure} weak-vector-set! wvect k elt
+@deffnx {C Function} scm_weak_vector_set_x (wvect, k, elt)
+Set the @var{k}th element of the weak vector @var{wvect} to @var{elt}.
+@end deffn
+
 
 @node Guardians
 @subsection Guardians