Update backup-and-restore-using-dumpling-lightning.md

Co-authored-by: Aolin <[email protected]>
pingcap · Nov 23, 2023 · 3fb927f · 3fb927f
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diff --git a/backup-and-restore-using-dumpling-lightning.md b/backup-and-restore-using-dumpling-lightning.md
@@ -22,7 +22,7 @@ If you need to back up larger databases, the recommended method is to use [BR](/
 - Install TiDB Lightning:
 
     ```shell
-    tiup install tidb tidb-lightning
+    tiup install tidb-lightning
     ```
 
 - [Grant the source database privileges required for Dumpling](/dumpling-overview.md#export-data-from-tidb-or-mysql)