use example.com for doc comments sample
diff --git a/lib/shelf_proxy.dart b/lib/shelf_proxy.dart
index fc3cb4d..3d1926a 100644
--- a/lib/shelf_proxy.dart
+++ b/lib/shelf_proxy.dart
@@ -14,8 +14,8 @@
///
/// To generate the proxy request, this concatenates [url] and [Request.url].
/// This means that if the handler mounted under `/documentation` and [url] is
-/// `https://www.dartlang.org/docs`, a request to `/documentation/tutorials`
-/// will be proxied to `https://www.dartlang.org/docs/tutorials`.
+/// `http://example.com/docs`, a request to `/documentation/tutorials`
+/// will be proxied to `http://example.com/docs/tutorials`.
///
/// [client] is used internally to make HTTP requests. It defaults to a
/// `dart:io`-based client.
