Fixing a typo discovered in backup-transact-sql link (#10315)

* Fixing a typo discovered in backup-transact-sql link

* Apply suggestion from @v-regandowner

---------

Co-authored-by: Regan Downer <v-rdowner@microsoft.com>

Author: yeroc-sebrof

docs/t-sql/statements/backup-transact-sql.md

@@ -996,7 +996,7 @@ This section contains the following examples:
 - G. [Back up to an existing mirrored media set](#existing_mirrored_media_set)
 - H. [Create a compressed backup in a new media set](#creating_compressed_backup_new_media_set)
 - I. [Back up to Azure Blob Storage](#url)
-- J. [Back up to S3-compatible object storage]((#j-backing-up-to-s3-compatible-object-storage)
+- J. [Back up to S3-compatible object storage](#j-back-up-to-s3-compatible-object-storage)
 - K. [Track the progress of backup statement](#backup_progress)
 
 > [!NOTE]