add

Author: SevenEarth

tencentcloud/services/cdb/resource_tc_mysql_instance.go

@@ -326,7 +326,7 @@ func ResourceTencentCloudMysqlInstance() *schema.Resource {
 			Optional:     true,
 			ValidateFunc: tccommon.ValidateAllowedIntValue([]int{0, 1}),
 			Default:      0,
-			Description:  "Availability zone deployment method. Available values: 0 - Single availability zone; 1 - Multiple availability zones.",
+			Description:  "Availability zone deployment method. Available values: 0 - Single availability zone; 1 - Multiple availability zones. Not support readonly instance setting.",
 		},
 		"first_slave_zone": {
 			Type:        schema.TypeString,

website/docs/r/mysql_instance.html.markdown

@@ -233,7 +233,7 @@ If it is not specified, it defaults to a universal instance.
 * `root_password` - (Optional, String) Password of root account. This parameter can be specified when you purchase master instances, but it should be ignored when you purchase read-only instances or disaster recovery instances.
 * `second_slave_zone` - (Optional, String) Zone information about second slave instance.
 * `security_groups` - (Optional, Set: [`String`]) Security groups to use.
-* `slave_deploy_mode` - (Optional, Int) Availability zone deployment method. Available values: 0 - Single availability zone; 1 - Multiple availability zones.
+* `slave_deploy_mode` - (Optional, Int) Availability zone deployment method. Available values: 0 - Single availability zone; 1 - Multiple availability zones. Not support readonly instance setting.
 * `slave_sync_mode` - (Optional, Int) Data replication mode. 0 - Async replication; 1 - Semisync replication; 2 - Strongsync replication.
 * `subnet_id` - (Optional, String) Private network ID. If `vpc_id` is set, this value is required.
 * `tags` - (Optional, Map) Instance tags.