Update CONTRIBUTING.md (#166)

CONTRIBUTING.md

@@ -75,13 +75,10 @@ were args are one of the following:
 
 | Query Argument | Description | Values |
 |----------------|-------------|--------|
-| use_prepared_statements    | whether to use client-side query interpolation or server-side argument binding | true = (default) use server-side bindings |
-|                |             | false = user client side interpolation |
-| tlsmode            | the ssl policy for this connection | 'none' (default) = don't use SSL for this connection |
-|                |                                    | 'server' = server must support SSL, but skip verification (INSECURE!) |
-|                |                                    | 'server-strict' = server must support SSL |
-| locator        | host and port of the Vertica connection | (default) localhost:5433
-| user           | Vertica user ID | (default) the userid of the running user |
+| use_prepared_statements    | whether to use client-side query interpolation or server-side argument binding | <li>true = (default) use server-side bindings </li><li>false = user client side interpolation</li> |
+| tlsmode            | the ssl policy for this connection | <li>none (default) = don't use SSL for this connection</li><li>server = server must support SSL, but skip verification (INSECURE!)</li><li>server-strict = server must support SSL</li><li>custom = use custom TLS config (Need to generate certs with `resources/tests/genCerts.sh` in advance) </li> |
+| locator        | host and port of the Vertica connection | (default) localhost:5433 |
+| user           | Vertica user name | (default) dbadmin |
 | password       | Vertica password for the connecting user | (default) (empty) |
 | oauth_access_token | the OAuth Access Token to connect to Vertica, only used for OAuth Authentication tests | (default) (empty) |