fix typo (#3175)

batch, not patch

Author: tacman

reference/api/batches.mdx

@@ -52,7 +52,7 @@ The `/batches` route gives information about the progress of batches of [asynchr
 ### `uid`
 
 **Type**: Integer<br />
-**Description**: Unique sequential identifier of the batch. Starts at `0` and increases by one for every new patch.
+**Description**: Unique sequential identifier of the batch. Starts at `0` and increases by one for every new batch.
 
 ### `details`