diff --git a/man7/system_data_types.7 b/man7/system_data_types.7
index 916efef08..b0e0d2b48 100644
--- a/man7/system_data_types.7
+++ b/man7/system_data_types.7
@@ -660,16 +660,16 @@ Conforming to:
 POSIX.1-2001 and later.
 .PP
 See also:
-.BR fallocate (2),
+.\" .BR fallocate (2),
 .BR lseek (2),
 .BR mmap (2),
-.BR mmap2 (2),
+.\" .BR mmap2 (2),
 .BR posix_fadvise (2),
 .BR pread (2),
-.BR preadv (2),
+.\" .BR preadv (2),
 .BR truncate (2),
 .BR fseeko (3),
-.BR getdirentries (3),
+.\" .BR getdirentries (3),
 .BR lockf (3),
 .BR posix_fallocate (3)
 .\".PP		TODO: loff_t, off64_t