docs: Use comments in code-samples

Author: icyJoseph

.code-samples.meilisearch.yaml

@@ -59,16 +59,12 @@ search_1: |-
     .execute()
     .await
     .unwrap();
-get_update_md: |-
-  You can get the status of a `Progress` instance:
-  ```rust 
+get_update_1: |-
+  // You can get the status of a `Progress` object:
   let status: Status = progress.get_status().await.unwrap();
-  ```
 
-  Or you can use index to get an update status using its `update_id`:
-  ```rust
+  // Or you can use index to get an update status using its `update_id`:
   let status: Status = index.get_update(1).await.unwrap();
-  ```
 get_all_updates_1: |-
   let status: Vec<ProgressStatus> = index.get_all_updates().await.unwrap();
 get_keys_1: |-