diff --git a/man2/shmctl.2 b/man2/shmctl.2
index c18601114..739689d16 100644
--- a/man2/shmctl.2
+++ b/man2/shmctl.2
@@ -42,7 +42,7 @@
 .\"	attaches to a segment that has already been marked for deletion.
 .\" 2005-08-02, mtk: Added IPC_INFO, SHM_INFO, SHM_STAT descriptions.
 .\"
-.TH SHMCTL 2 2013-03-18 "Linux" "Linux Programmer's Manual"
+.TH SHMCTL 2 2014-02-07 "Linux" "Linux Programmer's Manual"
 .SH NAME
 shmctl \- System V shared memory control
 .SH SYNOPSIS
@@ -143,6 +143,9 @@ member of the associated structure
 .I shmid_ds
 is zero).
 The caller must be the owner or creator of the segment, or be privileged.
+The
+.I buf
+argument is ignored.
 .IP
 If a segment has been marked for destruction, then the (nonstandard)
 .B SHM_DEST