diff --git a/man2/set_tid_address.2 b/man2/set_tid_address.2
index 133502c0c..08a1ed7df 100644
--- a/man2/set_tid_address.2
+++ b/man2/set_tid_address.2
@@ -20,7 +20,7 @@
 .\" Formatted or processed versions of this manual, if unaccompanied by
 .\" the source, must acknowledge the copyright and authors of this work.
 .\"
-.TH SET_TID_ADDRESS 2 2004-09-10 "Linux" "Linux Programmer's Manual"
+.TH SET_TID_ADDRESS 2 2012-07-19 "Linux" "Linux Programmer's Manual"
 .SH NAME
 set_tid_address \- set pointer to thread ID
 .SH SYNOPSIS
@@ -42,9 +42,9 @@ with the
 .B CLONE_CHILD_SETTID
 flag,
 .I set_child_tid
-is set to
-.IR child_tidptr ,
-the fifth argument of that system call.
+is set to the value passed in the
+.I ctid
+argument of that system call.
 .LP
 When
 .I set_child_tid
@@ -57,9 +57,9 @@ with the
 .B CLONE_CHILD_CLEARTID
 flag,
 .I clear_child_tid
-is set to
-.IR child_tidptr ,
-the fifth argument of that system call.
+is set to the value passed in the
+.I ctid
+argument of that system call.
 .LP
 The system call
 .BR set_tid_address ()