diff --git a/man2/getrlimit.2 b/man2/getrlimit.2
index e708a948e..053031e57 100644
--- a/man2/getrlimit.2
+++ b/man2/getrlimit.2
@@ -600,6 +600,7 @@ but is actually treated as a limit of 1 second.
 .\" see http://marc.theaimsgroup.com/?l=linux-kernel&m=114008066530167&w=2
 
 A kernel bug means that
+.\" See https://lwn.net/Articles/145008/
 .B RLIMIT_RTPRIO
 does not work in kernel 2.6.12; the problem is fixed in kernel 2.6.13.