1 files changed, 1 insertions, 1 deletions
diff --git a/man2/iopl.2 b/man2/iopl.2
index 968626fc3..6515dcf9c 100644
--- a/man2/iopl.2
+++ b/man2/iopl.2
@@ -20,7 +20,7 @@ Standard C library
 .nf
 .B #include <sys/io.h>
 .PP
-.BI "int iopl(int " level );
+.BI "[[deprecated]] int iopl(int " level );
 .fi
 .SH DESCRIPTION
 .BR iopl ()