diff --git a/README.md b/README.md
index aa843dc..a12a9d6 100644
--- a/README.md
+++ b/README.md
@@ -214,7 +214,7 @@ The writes are processed in batches which are configurable by `WriteOptions`:
 
 | Property                 | Description                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | Default Value |
 |--------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------|
-| batchSize                | the number of data point to collect in batch                                                                                                                                                                                                                                                                                                                                                                                                                                         | 1_000         |
+| batch_size                | the number of data point to collect in batch                                                                                                                                                                                                                                                                                                                                                                                                                                         | 1_000         |
 | flush_interval           | the number of milliseconds before the batch is written                                                                                                                                                                                                                                                                                                                                                                                                                               | 1_000         |
 | retry_interval           | the number of milliseconds to retry unsuccessful write. The retry interval is used when the InfluxDB server does not specify "Retry-After" header.                                                                                                                                                                                                                                                                                                                                   | 5_000         |
 | jitter_interval          | the number of milliseconds to increase the batch flush interval by a random amount                                                                                                                                                                                                                                                                                                                                                                                                   | 0             |