diff --git a/index.d.ts b/index.d.ts
index 42948b7..f821193 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -61,10 +61,10 @@ export type Options = {
 
 	@example
 	```
-	normalizeUrl('user:password@sindresorhus.com');
+	normalizeUrl('https://user:password@sindresorhus.com');
 	//=> 'https://sindresorhus.com'
 
-	normalizeUrl('user:password@sindresorhus.com', {stripAuthentication: false});
+	normalizeUrl('https://user:password@sindresorhus.com', {stripAuthentication: false});
 	//=> 'https://user:password@sindresorhus.com'
 	```
 	*/
diff --git a/readme.md b/readme.md
index 45cf82c..ab3dd47 100644
--- a/readme.md
+++ b/readme.md
@@ -105,10 +105,10 @@ Default: `true`
 Strip the [authentication](https://en.wikipedia.org/wiki/Basic_access_authentication) part of the URL.
 
 ```js
-normalizeUrl('user:password@sindresorhus.com');
+normalizeUrl('https://user:password@sindresorhus.com');
 //=> 'https://sindresorhus.com'
 
-normalizeUrl('user:password@sindresorhus.com', {stripAuthentication: false});
+normalizeUrl('https://user:password@sindresorhus.com', {stripAuthentication: false});
 //=> 'https://user:password@sindresorhus.com'
 ```