diff --git a/docs/content/2.guide/2.features/10.runtime-config.md b/docs/content/2.guide/2.features/10.runtime-config.md
index 634e59612e..a2c321a267 100644
--- a/docs/content/2.guide/2.features/10.runtime-config.md
+++ b/docs/content/2.guide/2.features/10.runtime-config.md
@@ -43,7 +43,7 @@ Runtime config values are automatically replaced by matching environment variabl
 
 ```sh [.env]
 NUXT_API_SECRET=api_secret_token
-NUXT_PUBLIC_BASE_URL=https://nuxtjs.org
+NUXT_PUBLIC_API_BASE=https://nuxtjs.org
 ```
 
 ```ts [nuxt.config.ts]