diff --git a/docs/guide/build.md b/docs/guide/build.md
index 3ed66361803fc1..0068fd04ca6d9f 100644
--- a/docs/guide/build.md
+++ b/docs/guide/build.md
@@ -194,14 +194,14 @@ Or, if exposing multiple entry points:
   "type": "module",
   "files": ["dist"],
   "main": "./dist/my-lib.cjs",
-  "module": "./dist/my-lib.mjs",
+  "module": "./dist/my-lib.js",
   "exports": {
     ".": {
-      "import": "./dist/my-lib.mjs",
+      "import": "./dist/my-lib.js",
       "require": "./dist/my-lib.cjs"
     },
     "./secondary": {
-      "import": "./dist/secondary.mjs",
+      "import": "./dist/secondary.js",
       "require": "./dist/secondary.cjs"
     }
   }