🦉 Updates from OwlBot post-processor

See https://github.com/googleapis/repo-automation-bots/blob/main/packages/owl-bot/README.md

README.md

@@ -102,7 +102,7 @@ Samples are in the [`samples/`](https://github.com/googleapis/nodejs-spanner/tre
 | Backups-restore | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/backups-restore.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/backups-restore.js,samples/README.md) |
 | Backups-update | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/backups-update.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/backups-update.js,samples/README.md) |
 | Backups | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/backups.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/backups.js,samples/README.md) |
-| Batch-write | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/batch-write.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/batch-write.js,samples/README.md) |
+| Performs batch write operation. | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/batch-write.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/batch-write.js,samples/README.md) |
 | Batch | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/batch.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/batch.js,samples/README.md) |
 | CRUD | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/crud.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/crud.js,samples/README.md) |
 | Creates a new database with a specific default leader | [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/database-create-with-default-leader.js) | [![Open in Cloud Shell][shell_img]](https://console.cloud.google.com/cloudshell/open?git_repo=https://github.com/googleapis/nodejs-spanner&page=editor&open_in_editor=samples/database-create-with-default-leader.js,samples/README.md) |

samples/README.md

@@ -27,7 +27,7 @@ and automatic, synchronous replication for high availability.
   * [Backups-restore](#backups-restore)
   * [Backups-update](#backups-update)
   * [Backups](#backups)
-  * [Batch-write](#batch-write)
+  * [Performs batch write operation.](#performs-batch-write-operation.)
   * [Batch](#batch)
   * [CRUD](#crud)
   * [Creates a new database with a specific default leader](#creates-a-new-database-with-a-specific-default-leader)
@@ -355,7 +355,7 @@ __Usage:__
 
 
 
-### Batch-write
+### Performs batch write operation.
 
 View the [source code](https://github.com/googleapis/nodejs-spanner/blob/main/samples/batch-write.js).
 
@@ -364,7 +364,7 @@ View the [source code](https://github.com/googleapis/nodejs-spanner/blob/main/sa
 __Usage:__
 
 
-`node samples/batch-write.js`
+`node batch-write.js <INSTANCE_ID> <DATABASE_ID> <PROJECT_ID>`
 
 
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