Signed-off-by: Alejandro Colomar <alx@kernel.org>
---
man2/acct.2 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/man2/acct.2 b/man2/acct.2
index 1a676b7c7..f9fc1cd5c 100644
--- a/man2/acct.2
+++ b/man2/acct.2
@@ -19,7 +19,7 @@ .SH SYNOPSIS
.nf
.B #include <unistd.h>
.PP
-.BI "int acct(const char *" filename );
+.BI "int acct(const char *_Nullable " filename );
.fi
.PP
.RS -4
--
2.38.1