diff --git a/lib/libc/sys/open.2 b/lib/libc/sys/open.2
index 232226a00ae..3c5f391caa9 100644
--- a/lib/libc/sys/open.2
+++ b/lib/libc/sys/open.2
@@ -344,7 +344,7 @@ message
 using for
 .Dv EVFILT_VNODE
 .It Xr readlinkat 2
-.It Xr __acl_get_fd 2 , Xr __alc_aclcheck_fd 2
+.It Xr __acl_get_fd 2 , Xr __acl_aclcheck_fd 2
 .El
 But operations like
 .Xr read 2 ,