Correction in Code Snippet (dart-lang/web_socket_channel#275)

pkgs/web_socket_channel/README.md

diff --git a/pkgs/web_socket_channel/README.md b/pkgs/web_socket_channel/README.md
index 4f78db9..ec4c736 100644
--- a/pkgs/web_socket_channel/README.md
+++ b/pkgs/web_socket_channel/README.md
@@ -24,7 +24,7 @@
 import 'package:web_socket_channel/status.dart' as status;
 
 main() async {
-  final wsUrl = Uri.parse('ws://example.com')
+  final wsUrl = Uri.parse('ws://example.com');
   final channel = WebSocketChannel.connect(wsUrl);
 
   await channel.ready;