diff --git a/docs/configurations/01_catalog_configurations.md b/docs/configurations/01_catalog_configurations.md
index 1687502f..0efeba8b 100644
--- a/docs/configurations/01_catalog_configurations.md
+++ b/docs/configurations/01_catalog_configurations.md
@@ -16,19 +16,19 @@ license: |
 <!--begin-include-->
 ### Single Instance
 
-Suppose you have one ClickHouse instance which installed on `10.0.0.1` and exposes HTTP on `8123`.
+Suppose you have one ClickHouse instance which installed on `10.0.0.1` and exposes HTTP endpoint on `8123`.
 
 Edit `$SPARK_HOME/conf/spark-defaults.conf`.
 
 ```
-########################################
+####################################################################################
 ## register a catalog named "clickhouse"
-########################################
+####################################################################################
 spark.sql.catalog.clickhouse                      xenon.clickhouse.ClickHouseCatalog
 
-################################################
+####################################################################################
 ## basic configurations for "clickhouse" catalog
-################################################
+####################################################################################
 spark.sql.catalog.clickhouse.host                 10.0.0.1
 spark.sql.catalog.clickhouse.protocol             http
 spark.sql.catalog.clickhouse.http_port            8123
@@ -36,9 +36,9 @@ spark.sql.catalog.clickhouse.user                 default
 spark.sql.catalog.clickhouse.password
 spark.sql.catalog.clickhouse.database             default
 
-###############################################################
+####################################################################################
 ## custom options of clickhouse-client for "clickhouse" catalog
-###############################################################
+####################################################################################
 spark.sql.catalog.clickhouse.option.async         false
 spark.sql.catalog.clickhouse.option.client_name   spark
 ```
@@ -49,29 +49,29 @@ Then you can access ClickHouse table `<ck_db>.<ck_table>` from Spark SQL by usin
 
 For ClickHouse cluster, give an unique catalog name for each instances.
 
-Suppose you have two ClickHouse instances, one installed on `10.0.0.1` and exposes HTTP on port `8123` named
-clickhouse1, and another installed on `10.0.0.2` and exposes HTTP on port `8123` named clickhouse2.
+Suppose you have two ClickHouse instances, one installed on `10.0.0.1` and exposes HTTPS endpoint on port `8443`
+named clickhouse1, and another installed on `10.0.0.2` and exposes HTTPS endpoint on port `8443` named clickhouse2.
 
 Edit `$SPARK_HOME/conf/spark-defaults.conf`.
 
 ```
 spark.sql.catalog.clickhouse1                xenon.clickhouse.ClickHouseCatalog
 spark.sql.catalog.clickhouse1.host           10.0.0.1
-spark.sql.catalog.clickhouse1.protocol       http
-spark.sql.catalog.clickhouse1.http_port      8123
+spark.sql.catalog.clickhouse1.protocol       https
+spark.sql.catalog.clickhouse1.http_port      8443
 spark.sql.catalog.clickhouse1.user           default
 spark.sql.catalog.clickhouse1.password
 spark.sql.catalog.clickhouse1.database       default
-spark.sql.catalog.clickhouse1.option.async   false
+spark.sql.catalog.clickhouse1.option.ssl      true
 
 spark.sql.catalog.clickhouse2                xenon.clickhouse.ClickHouseCatalog
 spark.sql.catalog.clickhouse2.host           10.0.0.2
-spark.sql.catalog.clickhouse2.protocol       http
-spark.sql.catalog.clickhouse2.http_port      8123
+spark.sql.catalog.clickhouse2.protocol       https
+spark.sql.catalog.clickhouse2.http_port      8443
 spark.sql.catalog.clickhouse2.user           default
 spark.sql.catalog.clickhouse2.password
 spark.sql.catalog.clickhouse2.database       default
-spark.sql.catalog.clickhouse2.option.async   false
+spark.sql.catalog.clickhouse2.option.ssl      true
 ```
 
 Then you can access clickhouse1 table `<ck_db>.<ck_table>` from Spark SQL by `clickhouse1.<ck_db>.<ck_table>`,