amend the style of use example
diff --git a/rocketmq_exporter_use_example.md b/rocketmq_exporter_use_example.md
index 17892d9..2bebafe 100644
--- a/rocketmq_exporter_use_example.md
+++ b/rocketmq_exporter_use_example.md
@@ -92,7 +92,7 @@
- /etc/prometheus/rules/*.rules
```
-Secondly, create an alert file in the directory /etc/prometheus/rules/. The content will be like as follows. For more details, please refer to the file [example.rules](./example.rules)
+Secondly, create an alert file in the directory /etc/prometheus/rules/. The content of rules file will be like as follows. For more details, please refer to the file [example.rules](./example.rules)
```
groups:
