diff --git a/Doc/source/index.rst b/Doc/source/index.rst
index b3d44cf03..874d87121 100644
--- a/Doc/source/index.rst
+++ b/Doc/source/index.rst
@@ -6,7 +6,7 @@ fontTools Docs
 
    afmLib
    agl
-   cffLib
+   cffLib/index
    designspaceLib/index
    encodings
    feaLib