diff --git a/doc/api/http.md b/doc/api/http.md
index 9b9175a003f56c..576f21440e1ef7 100644
--- a/doc/api/http.md
+++ b/doc/api/http.md
@@ -1139,6 +1139,7 @@ may run into a 'ECONNRESET' error.
 
 ```mjs
 import http from 'node:http';
+const agent = new http.Agent({ keepAlive: true });
 
 // Server has a 5 seconds keep-alive timeout by default
 http
@@ -1160,6 +1161,7 @@ setInterval(() => {
 
 ```cjs
 const http = require('node:http');
+const agent = new http.Agent({ keepAlive: true });
 
 // Server has a 5 seconds keep-alive timeout by default
 http