Update ref to changes

Author: NikolayPianikov

build.cake

@@ -96,7 +96,7 @@ var OWNERS = new [] { "Charlie Poole" };
 var DESCRIPTION = "This extension sends specially formatted messages about test progress to TeamCity as each test executes, allowing TeamCity to monitor progress.";
 var SUMMARY = "NUnit Team City Event Listener extension for TeamCity.";
 var COPYRIGHT = "Copyright (c) 2017 Charlie Poole";
-var RELEASE_NOTES = new [] { "See https://raw.githubusercontent.com/nunit/nunit-v2-result-writer/master/CHANGES.txt" };
+var RELEASE_NOTES = new [] { "See https://raw.githubusercontent.com/nunit/teamcity-event-listener/master/CHANGES.txt" };
 var TAGS = new [] { "nunit", "test", "testing", "tdd", "runner" };
 var PROJECT_URL = new Uri("http://nunit.org");
 var ICON_URL = new Uri("https://cdn.rawgit.com/nunit/resources/master/images/icon/nunit_256.png");