README.md in pgslice-0.2.1 vs README.md in pgslice-0.2.2

@@ -180,9 +180,11 @@
 ```
 
 ```sql
 BEGIN;
 
+SET LOCAL lock_timeout = '5s';
+
 ALTER TABLE visits RENAME TO visits_retired;
 
 ALTER TABLE visits_intermediate RENAME TO visits;
 
 ALTER SEQUENCE visits_id_seq OWNED BY visits.id;