added CONTRIBUTORS.md

CONTRIBUTORS.md

@@ -0,0 +1,5 @@
+Contributors in order of last name:
+
+Abbas Hussain
+
+Zhongnan Su

README.md

@@ -1,7 +1,7 @@
 # Open Distro for Elasticsearch SQL CLI
 
 The SQL CLI component in Open Distro for Elasticsearch (ODFE) is a stand-alone Python application and can be launched by a 'wake' word `odfesql`. It serves as a support only for 
-[Open Distro SQL plugin for Elasticsearch](https://opendistro.github.io/for-elasticsearch-docs/docs/sql/). User must have the  ODFE SQL plugin installed to your Elasticsearch instance to connect. Users can run this CLI from MacOS and Linux, and connect to any valid Elasticsearch end-point such as Amazon Elasticsearch.
+[Open Distro SQL plugin for Elasticsearch](https://opendistro.github.io/for-elasticsearch-docs/docs/sql/). User must have the ODFE SQL plugin installed to your Elasticsearch instance to connect. Users can run this CLI from MacOS and Linux, and connect to any valid Elasticsearch end-point such as Amazon Elasticsearch.
 
 ## Installation
 - `pip install odfesql` 

development_guide.md

@@ -8,8 +8,9 @@
 
 ### Run CLI
 - Start an Elasticsearch instance from either local, Docker with Open Distro SQL plugin, or AWS Elasticsearch
-- To launch the cli, use wake word `odfesql` followed by endpoint of your running ES instance. If not specifying 
-any endpoint, it uses http://localhost:9200 by default. 
+- To launch the cli, use 'wake' word `odfesql` followed by endpoint of your running ES instance. If not specifying 
+any endpoint, it uses http://localhost:9200 by default. If not provided with port number, http endpoint uses 9200 and 
+https uses 443 by default.
 
 ### Testing
 - Prerequisites