[chore][pkg/stanza] Update recombine.md

This updates the documentation according to changes in #30786

pkg/stanza/docs/operators/recombine.md

@@ -14,7 +14,7 @@ The `recombine` operator combines consecutive logs into single logs based on sim
 | `combine_field`      | required         | The [field](../types/field.md) from all the entries that will recombined. |
 | `combine_with`       | `"\n"`           | The string that is put between the combined entries. This can be an empty string as well. When using special characters like `\n`, be sure to enclose the value in double quotes: `"\n"`. |
 | `max_batch_size`     | 1000             | The maximum number of consecutive entries that will be combined into a single entry. |
-| `overwrite_with`     | `oldest`         | Whether to use the fields from the `oldest` or the `newest` entry for all the fields that are not combined. |
+| `overwrite_with`     | `newest`         | Whether to use the fields from the `oldest` or the `newest` entry for all the fields that are not combined. |
 | `force_flush_period` | `5s`             | Flush timeout after which entries will be flushed aborting the wait for their sub parts to be merged with. |
 | `source_identifier`  | `$attributes["file.path"]` | The [field](../types/field.md) to separate one source of logs from others when combining them. |
 | `max_sources`        | 1000             | The maximum number of unique sources allowed concurrently to be tracked for combining separately. |