Update external-storage-uri.md

external-storage-uri.md

@@ -79,7 +79,7 @@ gcs://external/test.csv?credentials-file=${credentials-file-path}
     - `encryption-scope`: Specifies the [encryption scope](https://learn.microsoft.com/en-us/azure/storage/blobs/encryption-scope-manage?tabs=powershell#upload-a-blob-with-an-encryption-scope) for server-side encryption.
     - `encryption-key`: Specifies the [encryption key](https://learn.microsoft.com/en-us/azure/storage/blobs/encryption-customer-provided-keys) for server-side encryption, which uses the AES256 encryption algorithm.
 
-The following is an example of an Azure Blob Storage URI for TiDB Lightning and BR. In this example, you need to specify a specific file path `testfolder`.
+The following is an example of an Azure Blob Storage URI for BR. In this example, you need to specify a specific file path `testfolder`.
 
 ```shell
 azure://external/testfolder?account-name=${account-name}&account-key=${account-key}