README.md in embulk-output-redshift-0.7.8 vs README.md in embulk-output-redshift-0.7.9

@@ -15,9 +15,10 @@
 - **user**: database login user name (string, required)
 - **ssl**: use SSL to connect to the database (string, default: "disable". "enable" uses SSL without server-side validation and "verify" checks the certificate. For compatibility reasons, "true" behaves as "enable" and "false" behaves as "disable".)
 - **password**: database login password (string, default: "")
 - **database**: destination database name (string, required)
 - **schema**: destination schema name (string, default: "public")
+- **temp_schema**: schema name for intermediate tables. by default, intermediate tables will be created in the schema specified by `schema`. replace mode doesn't support temp_schema. (string, optional)
 - **table**: destination table name (string, required)
 - **access_key_id**: deprecated. `aws_access_key_id` should be used (see "basic" in `aws_auth_method`).
 - **secret_access_key**: deprecated. `aws_secret_access_key` should be used (see "basic" in `aws_auth_method`).
 - **aws_auth_method**: name of mechanism to authenticate requests ("basic", "env", "instance", "profile", "properties", "anonymous", or "session". default: "basic")