Updated Snowflake provider connection documentation

docs/apache-airflow-providers-snowflake/connections/snowflake.rst

@@ -44,9 +44,6 @@ Login
 Password
     Specify the snowflake password. For public key authentication, the passphrase for the private key.
 
-Host (optional)
-    Specify the snowflake hostname.
-
 Schema (optional)
     Specify the snowflake schema to be used.
 
@@ -65,13 +62,35 @@ Extra (optional)
     * ``session_parameters``: Specify `session level parameters <https://docs.snowflake.com/en/user-guide/python-connector-example.html#setting-session-parameters>`_.
     * ``insecure_mode``: Turn off OCSP certificate checks. For details, see: `How To: Turn Off OCSP Checking in Snowflake Client Drivers - Snowflake Community <https://community.snowflake.com/s/article/How-to-turn-off-OCSP-checking-in-Snowflake-client-drivers>`_.
 
-When specifying the connection in environment variable you should specify
-it using URI syntax.
+URI format example
+^^^^^^^^^^^^^^^^^^
+
+If serializing with Airflow URI:
+
+.. code-block:: bash
+
+   export AIRFLOW_CONN_SNOWFLAKE_DEFAULT='snowflake://user:password@/db-schema?account=account&database=snow-db&region=us-east&warehouse=snow-warehouse'
+
+When specifying the connection as an environment variable in Airflow versions prior to 2.3.0, you need to specify the connection using the URI format.
 
 Note that all components of the URI should be URL-encoded.
 
-Example connection string:
+JSON format example
+^^^^^^^^^^^^^^^^^^^
+
+If serializing with JSON:
 
 .. code-block:: bash
 
-   export AIRFLOW_CONN_SNOWFLAKE_DEFAULT='snowflake://user:password@snowflake.example/db-schema?account=account&database=snow-db&region=us-east&warehouse=snow-warehouse'
+    export AIRFLOW_CONN_SNOWFLAKE_DEFAULT='{
+        "conn_type": "snowflake",
+        "login": "user",
+        "password": "password",
+        "schema": "db-schema",
+        "extra": {
+            "account": "account",
+            "database": "database",
+            "region": "us-east",
+            "warehouse": "snow-warehouse"
+        }
+    }'