Update README.md

Author: github-actions[bot]

README.md

@@ -127,11 +127,14 @@ And for the Redirect Uri set it to the one from your `.env` file.
 Next create `init-mongo.js` in your working directory:
 
 ```js
-{
-	{
-		file.examples / init - mongo.js
-	}
-}
+// This is only for initializing the db and creating the mailauth user
+
+db = db.getSiblingDB("mailauth")
+db.createUser({
+	user: "mailauth",
+	pwd: "SECURE_PW", // This should match the one in your env
+	roles: [{ role: "readWrite", db: "mailauth" }],
+})
 ```
 
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