diff --git a/man7/nptl.7 b/man7/nptl.7
index 8845ea857..c64859108 100644
--- a/man7/nptl.7
+++ b/man7/nptl.7
@@ -108,6 +108,9 @@ Wrapper functions employing this technique are provided for
 .BR setresuid (2),
 and
 .BR setgroups (2).
+.\" FIXME .
+.\" Maybe say something about vfork() not being serialized wrt set*id() APIs?
+.\" https://sourceware.org/bugzilla/show_bug.cgi?id=14749
 .SH CONFORMING TO
 For details of the conformance of NPTL to the POSIX standard, see
 .BR pthreads (7).