update readme

Author: hong-yi

README.md

@@ -91,7 +91,7 @@
 | <a name="input_policy_json"></a> [policy\_json](#input\_policy\_json) | An additional policy document as JSON to attach to the Lambda Function role | `string` | `null` | no |
 | <a name="input_policy_jsons"></a> [policy\_jsons](#input\_policy\_jsons) | List of additional policies for the lambda execution | `list(string)` | `[]` | no |
 | <a name="input_policy_statements"></a> [policy\_statements](#input\_policy\_statements) | Additional Inline Lambda Policy Statements | `any` | `{}` | no |
-| <a name="input_provisioned_concurrent_executions"></a> [provisioned\_concurrent\_executions](#input\_provisioned\_concurrent\_executions) | Amount of capacity to allocate. Set to 1 or greater to enable, or set to 0 to disable provisioned concurrency. | `number` | `0` | no |
+| <a name="input_provisioned_concurrent_executions"></a> [provisioned\_concurrent\_executions](#input\_provisioned\_concurrent\_executions) | Amount of capacity to allocate. Set to 1 or greater to enable, or set to 0 to disable provisioned concurrency. | `number` | `-1` | no |
 | <a name="input_publish"></a> [publish](#input\_publish) | Whether to publish creation/change as new Lambda Function Version. | `bool` | `false` | no |
 | <a name="input_recreate_missing_package"></a> [recreate\_missing\_package](#input\_recreate\_missing\_package) | Controls whether to recreate the package if it is missing | `bool` | `true` | no |
 | <a name="input_reserved_concurrent_executions"></a> [reserved\_concurrent\_executions](#input\_reserved\_concurrent\_executions) | The amount of reserved concurrent executions for this Lambda Function. A value of 0 disables Lambda Function from being triggered and -1 removes any concurrency limitations. Defaults to Unreserved Concurrency Limits -1. | `number` | `-1` | no |