Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
 man2/copy_file_range.2 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/man2/copy_file_range.2 b/man2/copy_file_range.2
index 3cb15e930..1360338d9 100644
--- a/man2/copy_file_range.2
+++ b/man2/copy_file_range.2
@@ -13,8 +13,8 @@ .SH SYNOPSIS
 .B #define _GNU_SOURCE
 .B #include <unistd.h>
 .PP
-.BI "ssize_t copy_file_range(int " fd_in ", off64_t *" off_in ,
-.BI "                        int " fd_out ", off64_t *" off_out ,
+.BI "ssize_t copy_file_range(int " fd_in ", off64_t *_Nullable " off_in ,
+.BI "                        int " fd_out ", off64_t *_Nullable " off_out ,
 .BI "                        size_t " len ", unsigned int " flags );
 .fi
 .SH DESCRIPTION
-- 
2.38.1