diff --git a/man2/futex.2 b/man2/futex.2
index c6122edb3..6f8ad4a5e 100644
--- a/man2/futex.2
+++ b/man2/futex.2
@@ -1597,10 +1597,8 @@ Initial futex support was merged in Linux 2.5.7 but with different
 semantics from what was described above.
 A four-argument system call with the semantics
 described in this page was introduced in Linux 2.5.40.
-In Linux 2.5.70, one argument
-was added.
-In Linux 2.6.7, a sixth argument was added\(emmessy, especially
-on the s390 architecture.
+A fifth argument was added in Linux 2.5.70,
+and a sixth argument was added in Linux 2.6.7.
 .SH CONFORMING TO
 This system call is Linux-specific.
 .SH NOTES