op-guide: fix typo in docker-compose
@@ -142,8 +142,8 @@ All the following example docker compose config file will contain this base conf
```bash
rm -rf data logs
- docker-compose -f ycsb-docker-compose.yml pull
- docker-compose -f ycsb-docker-compose.yml up -d
+ docker-compose -f titan-docker-compose.yml pull
+ docker-compose -f titan-docker-compose.yml up -d
```
3. Use `redis-cli` to communicate with Titan:
