Improve the document structure in several places
Change-Id: Icea6d0b0d9628eb171f5673b397f1db7f1c5c5b8
diff --git a/index.rst b/index.rst
index e3346ab..3dff38e 100644
--- a/index.rst
+++ b/index.rst
@@ -1,25 +1,16 @@
-
NDN Packet Format Specification
===============================
-
.. toctree::
+ :maxdepth: 3
+
intro
tlv
name
interest
data
signature
- link
signed-interest
+ link
types
changelog
- :maxdepth: 3
-
-
-.. Indices and tables
-.. ==================
-
-.. * :ref:`genindex`
-.. * :ref:`modindex`
-.. * :ref:`search`