diff --git a/8-mgr/8-mgr-best-practices.md b/8-mgr/8-mgr-best-practices.md
index b39a8022cb15783c8108331ade02db5b081ac947..ae8df433a568e90f06b9f24b5477968f06ce9e40 100644
--- a/8-mgr/8-mgr-best-practices.md
+++ b/8-mgr/8-mgr-best-practices.md
@@ -73,7 +73,7 @@ log_error_verbosity=3
     - `slave_parallel_type = LOGICAL_CLOCK`
     - `slave_parallel_workers = N`，N>0，可以设置为逻辑CPU数的2倍
     - `binlog_transaction_dependency_tracking = WRITESET`
-- `slave_preserve_commit_order = 1`
+    - `slave_preserve_commit_order = 1`
     - `slave_checkpoint_period = 2`