diff --git a/README b/README
index 51c6cdd9a4a..3619ce65586 100644
--- a/README
+++ b/README
@@ -7,13 +7,13 @@ You can find more about Dart online at dartlang.org or code.google.com/p/dart.
 
 Here's a brief guide to what's in here:
 
-compiler/      dartc static analyzer
-corelib/       core libraries (collections, built-ins...)
-editor/        the Eclipse-based standalone Dart IDE
-language/      language specification
-lib/           libraries (dart2js compiler, html, isolate, json, math, ...)
-runtime/       the Dart VM and code for running it as a standalone app
-samples/       sample Dart programs 
-tests/         automated tests
-third_party/   external dependencies
-tools/         build scripts, text editor support files, etc.
+compiler/      Dart static analyzer.
+editor/        Eclipse-based standalone Dart IDE.
+lib/           Libraries that ship with the Dart runtime (core, html, etc.).
+pkg/           Packages that are not shipped with the core runtime.
+runtime/       Dart VM and code for running it as a standalone app.
+samples/       Sample Dart programs. 
+tests/         Automated tests.
+third_party/   External dependencies.
+tools/         Build scripts, text editor support files, etc.
+utils/         Utilities for Dart applications.
diff --git a/README.dart-sdk b/README.dart-sdk
new file mode 100644
index 00000000000..498b75476c9
--- /dev/null
+++ b/README.dart-sdk
@@ -0,0 +1,22 @@
+The Dark SDK is a set of tools and libraries for the Dart programming language.
+
+You can find information about Dart online at dartlang.org.
+
+Here's a brief guide to what's in here:
+
+bin/             Binaries/scripts to compile, run, and manage Dart applications.
+  dart           Dart virtual machine
+  dart2js        Dart-to-JavaScript compiler
+  dart_analyzer  Dart static analyzer
+  dartdoc        Dart documentation generator
+  pub            Pub, the Dart package manager
+
+lib/             Libraries that are shipped with the Dart runtime. More 
+                 information is available at api.dartlang.org.
+
+pkg/             Additional packages that are shipped outside of the Dart 
+                 runtime. More information is available at api.dartlang.org.
+
+revision         dart.googlecode.com SVN revision number used to build this SDK.
+
+util/            Support files for dart_analyzer and pub.