Run update.sh

postgres/README.md

@@ -178,7 +178,7 @@ For example:
 
 ```console
 $ docker run -d \
-	-name some-postgres \
+	--name some-postgres \
 	-e POSTGRES_PASSWORD=mysecretpassword \
 	-e PGDATA=/var/lib/postgresql/data/pgdata \
 	-v /custom/mount:/var/lib/postgresql/data \