Apply suggestion from @anegg0

Author: anegg0

docs/launch-arbitrum-chain/07-arbitrum-node-runners/run-batch-poster.mdx

@@ -12,7 +12,7 @@ The batch poster uses the following default configuration flags and values:
 
 | Flag                                                | Default value | Description                                                                                       |
 | --------------------------------------------------- | ------------- | ------------------------------------------------------------------------------------------------- |
-| `--node.batch-poster.enable`                        | false         | Enables posting batchecs to L1                                                                    |
+| `--node.batch-poster.enable`                        | false         | Enables posting batches to L1                                                                 |
 | `--node.batch-poster.max-size`                      | 100000        | Default value is overwritten if it's an L3 (90000, for AnyTrust: 1,000,000)                       |
 | `--node.batch-poster.poll-interval`                   | 10 seconds    | Period to wait after no batches are ready to be posted before checking again                      |
 | `--node.batch-poster.error-delay`                     | 10 seconds    | Delay time after error posting batch                                                              |