diff --git a/.changelog/3283.txt b/.changelog/3283.txt
new file mode 100644
index 0000000000..b5ed33c69f
--- /dev/null
+++ b/.changelog/3283.txt
@@ -0,0 +1,3 @@
+```release-note:enhancement
+resource/tencentcloud_mysql_password_complexity: update doc
+```
\ No newline at end of file
diff --git a/tencentcloud/services/cdb/resource_tc_mysql_password_complexity.go b/tencentcloud/services/cdb/resource_tc_mysql_password_complexity.go
index 8c47d693e2..ed2d64e94e 100644
--- a/tencentcloud/services/cdb/resource_tc_mysql_password_complexity.go
+++ b/tencentcloud/services/cdb/resource_tc_mysql_password_complexity.go
@@ -31,7 +31,7 @@ func ResourceTencentCloudMysqlPasswordComplexity() *schema.Resource {
 			"param_list": {
 				Optional:    true,
 				Type:        schema.TypeList,
-				Description: "List of parameters to be modified. Every element is a combination of `Name` (parameter name) and `CurrentValue` (new value). Valid values for `Name` of version 8.0: `validate_password.policy`, `validate_password.lengt`, `validate_password.mixed_case_coun`, `validate_password.number_coun`, `validate_password.special_char_count`. Valid values for `Name` of version 5.6 and 5.7: `validate_password_polic`, `validate_password_lengt` `validate_password_mixed_case_coun`, `validate_password_number_coun`, `validate_password_special_char_coun`.",
+				Description: "List of parameters to be modified. Every element is a combination of `Name` (parameter name) and `CurrentValue` (new value). Valid values for `Name` of version 8.0: `validate_password.policy`, `validate_password.length`, `validate_password.mixed_case_count`, `validate_password.number_count`, `validate_password.special_char_count`. Valid values for `Name` of version 5.6 and 5.7: `validate_password_policy`, `validate_password_length` `validate_password_mixed_case_count`, `validate_password_number_count`, `validate_password_special_char_count`.",
 				Elem: &schema.Resource{
 					Schema: map[string]*schema.Schema{
 						"name": {
diff --git a/website/docs/r/mysql_password_complexity.html.markdown b/website/docs/r/mysql_password_complexity.html.markdown
index 875034a9fb..ef14fb2d0d 100644
--- a/website/docs/r/mysql_password_complexity.html.markdown
+++ b/website/docs/r/mysql_password_complexity.html.markdown
@@ -88,7 +88,7 @@ resource "tencentcloud_mysql_password_complexity" "example" {
 The following arguments are supported:
 
 * `instance_id` - (Required, String) Instance ID.
-* `param_list` - (Optional, List) List of parameters to be modified. Every element is a combination of `Name` (parameter name) and `CurrentValue` (new value). Valid values for `Name` of version 8.0: `validate_password.policy`, `validate_password.lengt`, `validate_password.mixed_case_coun`, `validate_password.number_coun`, `validate_password.special_char_count`. Valid values for `Name` of version 5.6 and 5.7: `validate_password_polic`, `validate_password_lengt` `validate_password_mixed_case_coun`, `validate_password_number_coun`, `validate_password_special_char_coun`.
+* `param_list` - (Optional, List) List of parameters to be modified. Every element is a combination of `Name` (parameter name) and `CurrentValue` (new value). Valid values for `Name` of version 8.0: `validate_password.policy`, `validate_password.length`, `validate_password.mixed_case_count`, `validate_password.number_count`, `validate_password.special_char_count`. Valid values for `Name` of version 5.6 and 5.7: `validate_password_policy`, `validate_password_length` `validate_password_mixed_case_count`, `validate_password_number_count`, `validate_password_special_char_count`.
 
 The `param_list` object supports the following: