Update usage (denoland/deno_std#2)

Original: https://github.com/denoland/deno_std/commit/f574e3c6dbb1728c149a3478b11873e03b5ca439

1 files changed, 7 insertions, 2 deletions

diff --git a/README.md b/README.md
index 614e53087..ee6009304 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,12 @@ Usage:
 ```typescript
 import { serve } from "https://deno.land/x/net/http.ts";
 const s = serve("0.0.0.0:8000");
-for await (const req of s) {
-  req.respond({ body: "Hello World\n" });
+
+async function main() {
+  for await (const req of s) {
+    req.respond({ body: new TextEncoder().encode("Hello World\n") });
+  }
 }
+
+main();
 ```