diff --git a/kafka/README.md b/kafka/README.md
index 79c22579..48a405c8 100644
--- a/kafka/README.md
+++ b/kafka/README.md
@@ -81,9 +81,9 @@ This objects contains information about the API relevant topic configuration in
Field Name | Type | Description | Applicability [default] | Constraints
---|:-------:|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------:|:-----------------------:|---
`cleanup.policy` | array | The [`cleanup.policy`](https://kafka.apache.org/documentation/#topicconfigs_cleanup.policy) configuration option. | OPTIONAL | array may only contain `delete` and/or `compact`
-`retention.ms` | integer | The [`retention.ms`](https://kafka.apache.org/documentation/#topicconfigs_retention.ms) configuration option. | OPTIONAL | see kafka documentation
-`retention.bytes` | integer | The [`retention.bytes`](https://kafka.apache.org/documentation/#topicconfigs_retention.bytes) configuration option. | OPTIONAL | see kafka documentation
-`delete.retention.ms` | integer | The [`delete.retention.ms`](https://kafka.apache.org/documentation/#topicconfigs_delete.retention.ms) configuration option. | OPTIONAL | see kafka documentation
+`retention.ms` | long | The [`retention.ms`](https://kafka.apache.org/documentation/#topicconfigs_retention.ms) configuration option. | OPTIONAL | see kafka documentation
+`retention.bytes` | long | The [`retention.bytes`](https://kafka.apache.org/documentation/#topicconfigs_retention.bytes) configuration option. | OPTIONAL | see kafka documentation
+`delete.retention.ms` | long | The [`delete.retention.ms`](https://kafka.apache.org/documentation/#topicconfigs_delete.retention.ms) configuration option. | OPTIONAL | see kafka documentation
`max.message.bytes` | integer | The [`max.message.bytes`](https://kafka.apache.org/documentation/#topicconfigs_max.message.bytes) configuration option. | OPTIONAL | see kafka documentation
`confluent.key.schema.validation` | boolean | It shows whether the schema validation for the message key is enabled. Vendor specific config. | OPTIONAL | -
`confluent.key.subject.name.strategy` | string | The name of the schema lookup strategy for the message key. Vendor specific config. | OPTIONAL | Clients should default to the vendor default if not supplied.