Doc: Update README

README.md

@@ -20,9 +20,10 @@
 </p>
 </div>
 
-> setInterval for promises and async functions.
+> setInterval for promises and async/sync functions.
 >
-> Support graceful shutdown and prevent multiple executions from overlapping in time.
+> + __Support graceful shutdown.__
+> + __Prevent multiple executions from overlapping in time.__
 
  ## 🔗 Link
 + [Github](https://github.com/a179346/async-interval-job#readme)
@@ -34,6 +35,10 @@
 npm i async-interval-job
 ```
 
+## 🏆 Overview
+
+![image](https://github.com/a179346/async-interval-job/blob/main/flow/async-interval-job.png)
+
 ## 📖 Usage
 ```js
 import { AsyncIntervalJob } from 'async-interval-job';
@@ -50,10 +55,6 @@ async function gracefulShutdown() {
 }
 ```
 
-## 🏆 Overview
-
-![image](https://github.com/a179346/async-interval-job/blob/main/flow/async-interval-job.png)
-
 ## 🤝 Contributing
 
 Contributions, issues and feature requests are welcome!<br />Feel free to check [issues page](https://github.com/a179346/async-interval-job/issues).