fchmod(2) first appeared in SUSv1.[1]  The function was then added to
POSIX.1-1996.[2]

[1] X/Open CAE Specification, System Interfaces and Headers Issue 4,
Version 2, Chapter 3 "System Interfaces", p. 144.
[2] ISO/IEC 9945-1:1996, Section 5.6.4 "Change File Modes".

Signed-off-by: Seth McDonald <redacted>
---
 man/man2/chmod.2 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/man/man2/chmod.2 b/man/man2/chmod.2
index 78bd4d05139f..d47360909bb4 100644
--- a/man/man2/chmod.2
+++ b/man/man2/chmod.2

@@ -351,7 +351,8 @@ .SH HISTORY
 .BR fchmod ()
 SVr4,
 4.4BSD,
-POSIX.1-2001.
+SUSv1,
+POSIX.1-1996.
 .TP
 .BR fchmodat ()
 POSIX.1-2008.

-- 
2.47.3