diff --git a/docs/DB/Postgresql.md b/docs/DB/Postgresql.md
index b1c3a02..76450ae 100644
--- a/docs/DB/Postgresql.md
+++ b/docs/DB/Postgresql.md
@@ -557,3 +557,4 @@ select * from pg_stat_replication;
 ```sql
 select * from pg_stat_wal_receiver;
 ```
+