diff --git a/man7/pthreads.7 b/man7/pthreads.7
index ed0f4860a..e82d4fbbf 100644
--- a/man7/pthreads.7
+++ b/man7/pthreads.7
@@ -244,6 +244,8 @@ these signals cannot be used in applications.
 NPTL still has a few non-conformances with POSIX.1:
 .IP \- 3
 Threads do not share a common nice value.
+.\" FIXME . bug report filed for NPTL nice non-conformance
+.\" http://bugzilla.kernel.org/show_bug.cgi?id=6258
 .PP
 Some NPTL non-conformances only occur with older kernels:
 .IP \- 3