diff --git a/examples/with-env-from-next-config-js/next.config.js b/examples/with-env-from-next-config-js/next.config.js
index cf0d96ee31cb7..e1278444e215a 100644
--- a/examples/with-env-from-next-config-js/next.config.js
+++ b/examples/with-env-from-next-config-js/next.config.js
@@ -5,7 +5,7 @@ const {
 
 // This uses phases as outlined here: https://nextjs.org/docs/#custom-configuration
 module.exports = (phase) => {
-  // when started in development mode `next dev` or `npm run dev` regardless of the value of STAGING environmental variable
+  // when started in development mode `next dev` or `npm run dev` regardless of the value of STAGING environment variable
   const isDev = phase === PHASE_DEVELOPMENT_SERVER
   // when `next build` or `npm run build` is used
   const isProd = phase === PHASE_PRODUCTION_BUILD && process.env.STAGING !== '1'