diff --git a/Documentation/watchdog/00-INDEX b/Documentation/watchdog/00-INDEX
index fc51128071c27c332f65c254806e9b1f0f95992e..fc9082a1477a43f5881a899ad5a33f6a77c2f030 100644
--- a/Documentation/watchdog/00-INDEX
+++ b/Documentation/watchdog/00-INDEX
@@ -1,5 +1,7 @@
 00-INDEX
 	- this file.
+convert_drivers_to_kernel_api.txt
+	- how-to for converting old watchdog drivers to the new kernel API.
 hpwdt.txt
 	- information on the HP iLO2 NMI watchdog
 pcwd-watchdog.txt