add installation instructions to pkg packages
BUG=
Review URL: https://codereview.chromium.org//14188048
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@21770 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/lib/logging.dart b/lib/logging.dart
index 222ff1e..94bf5f3 100644
--- a/lib/logging.dart
+++ b/lib/logging.dart
@@ -6,6 +6,22 @@
* Provides APIs for debugging and error logging. This library introduces
* abstractions similar to those used in other languages, such as the Closure JS
* Logger and java.util.logging.Logger.
+ *
+ * ## Installing ##
+ *
+ * Use [pub][] to install this package. Add the following to your `pubspec.yaml`
+ * file.
+ *
+ * dependencies:
+ * logging: any
+ *
+ * Then run `pub install`.
+ *
+ * For more information, see the
+ * [logging package on pub.dartlang.org][pkg].
+ *
+ * [pub]: http://pub.dartlang.org
+ * [pkg]: http://pub.dartlang.org/packages/logging
*/
library logging;
