Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 man2/timerfd_create.2 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man2/timerfd_create.2 b/man2/timerfd_create.2
index 078a2d4b9..1b2fb3ff9 100644
--- a/man2/timerfd_create.2
+++ b/man2/timerfd_create.2
@@ -17,7 +17,7 @@ .SH SYNOPSIS
 .PP
 .BI "int timerfd_settime(int " fd ", int " flags ,
 .BI "                    const struct itimerspec *" new_value ,
-.BI "                    struct itimerspec *" old_value );
+.BI "                    struct itimerspec *_Nullable " old_value );
 .BI "int timerfd_gettime(int " fd ", struct itimerspec *" curr_value );
 .fi
 .SH DESCRIPTION
-- 
2.38.1