Fix bugs and sphinx-build warnings in docs

Change-Id: Ibe6113b1420bbd0c6cf066e38b2cbb045278809e
Issue-ID: DCAEGEN2-992
Signed-off-by: Donald Hunter <donaldh@cisco.com>
diff --git a/docs/sections/apis/DFC.rst b/docs/sections/apis/DFC.rst
index c854018..df68064 100644
--- a/docs/sections/apis/DFC.rst
+++ b/docs/sections/apis/DFC.rst
@@ -167,7 +167,7 @@
 --------------------
     update /etc/vsftpd/vsftpd.conf:
 
-  .. code-block:: javascript
+  .. code-block:: bash
 
       rsa_cert_file=/etc/ssl/private/ftp.crt
       rsa_private_key_file=/etc/ssl/private/ftp.key