Fix build with sphinxcontrib-bibtex 2.0 and later
Also fix typo in changelog
Change-Id: I088292fc12ae8c182a00bbb2a6732154105e60b7
diff --git a/signature.rst b/signature.rst
index 0d2d712..56c49ff 100644
--- a/signature.rst
+++ b/signature.rst
@@ -276,4 +276,4 @@
The shared key used to generate the HMAC signature can be identified by the :ref:`KeyLocator` element, e.g., by using the ``Name`` according to the application's naming conventions.
It is the application's responsibility to associate the shared key with the identities of the parties who hold the shared key.
-.. bibliography:: ndnspec-refs.bib
+.. bibliography::