docs: fix syntax highlighting of code blocks
And various other cleanups
Change-Id: If945f5407036e73db980cafd2185359a488a0ff1
diff --git a/docs/examples.rst b/docs/examples.rst
index 33657da..0d89e20 100644
--- a/docs/examples.rst
+++ b/docs/examples.rst
@@ -5,7 +5,7 @@
To successfully run the following examples, please make sure that NFD is properly
configured and running. For more information about NFD, refer to `NFD's official
- homepage <http://named-data.net/doc/NFD/>`_.
+ homepage <https://named-data.net/doc/NFD/>`_.
Trivial consumer
----------------