1 files changed, 2 insertions, 0 deletions

diff --git a/Documentation/isdn/00-INDEX b/Documentation/isdn/00-INDEX
index d9660ee5ab27..5a2d69989a8c 100644
--- a/Documentation/isdn/00-INDEX
+++ b/Documentation/isdn/00-INDEX
@@ -8,6 +8,8 @@ INTERFACE
         - description of isdn4linux Link Level and Hardware Level interfaces.
 INTERFACE.fax
         - description of the fax subinterface of isdn4linux.
+INTERFACE.CAPI
+        - description of kernel CAPI Link Level to Hardware Level interface.
 README
         - general info on what you need and what to do for Linux ISDN.
 README.FAQ