Apply suggestions from code review

Co-authored-by: Tamo <[email protected]>

Author: guimachiavelli

reference/api/batches.mdx

@@ -32,14 +32,14 @@ The `/batches` route gives information about the progress of batches of [asynchr
   "startedAt": "2024-12-10T15:20:30.18182Z",
   "finishedAt": "2024-12-10T15:20:30.432338Z",
   "progress": {
-    "currentStep": [
+    "steps": [
       { 
-        "name": "extracting words",
+        "currentStep": "extracting words",
         "finished": 2,
         "total": 9,
       },
       {
-        "name": "document",
+        "currentStep": "document",
         "finished": 30546,
         "total": 31944,
       }
@@ -62,15 +62,15 @@ The `/batches` route gives information about the progress of batches of [asynchr
 ### `progress`
 
 **Type**: Object<br />
-**Description**: Object containing two fields: `currentStep` and `percentage`. Once Meilisearch has fully processed a batch, its `progress` is set to `null`.
+**Description**: Object containing two fields: `steps` and `percentage`. Once Meilisearch has fully processed a batch, its `progress` is set to `null`.
 
-#### `currentStep`
+#### `steps`
 
 Information about the current operations Meilisearch is performing in this batch. A step may consist of multiple substeps.
 
 | Name            | Description                                        |
 | :---------------| :------------------------------------------------- |
-| **`name`**      | A string describing the operation                  |
+| **`currentStep`**      | A string describing the operation                  |
 | **`total`**     | The total number of operations in the step         |
 | **`finished`**  | The number of operations Meilisearch has completed |
 
@@ -112,7 +112,7 @@ List of the number of tasks in the batch separated by the indexes they affect.
 ### `finishedAt`
 
 **Type**: String<br />
-**Description**: The date and time when the task finished `processing`, whether `failed`, `succeeded`, or `canceled`, in [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) format
+**Description**: The date and time when the tasks finished `processing`, whether `failed`, `succeeded`, or `canceled`, in [RFC 3339](https://www.ietf.org/rfc/rfc3339.txt) format
 
 ## Get batches
 
@@ -176,6 +176,7 @@ For example, `?uids=0` returns a batch containing the task with a `taskUid` equa
           "the"
         ]
       },
+      "progress": null,
       "stats": {
         "totalNbTasks": 1,
         "status": {
@@ -225,6 +226,7 @@ Get a single batch.
     "receivedDocuments": 1,
     "indexedDocuments": 1
   },
+  "progress": null,
   "stats": {
     "totalNbTasks": 1,
     "status": {