readme: show how to `npm run dev` on another port. (#1544)

6cd6c2ef · Izzy Vivian Dupree · Tim Neutkens · 769cb49c · 6cd6c2ef
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readme.md readme.md +1 -1

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--- a/readme.md
+++ b/readme.md
@@ -73,7 +73,7 @@ export default () => (
 )
 ```

-and then just run `npm run dev` and go to `http://localhost:3000`
+and then just run `npm run dev` and go to `http://localhost:3000`. To use another port, you can run `npm run dev -- -p <your port here>`.

 So far, we get: