diff --git a/Documentation/timers/00-INDEX b/Documentation/timers/00-INDEX
index 6d042dc..ee212a2 100644
--- a/Documentation/timers/00-INDEX
+++ b/Documentation/timers/00-INDEX
@@ -12,6 +12,8 @@
 	- Build and link hpet_example
 NO_HZ.txt
 	- Summary of the different methods for the scheduler clock-interrupts management.
+timekeeping.txt
+	- Clock sources, clock events, sched_clock() and delay timer notes
 timers-howto.txt
 	- how to insert delays in the kernel the right (tm) way.
 timer_stats.txt