add message that subprojects contain changes
we've had a few people wonder where the action is happening
diff --git a/README.md b/README.md
index 52f0dd3..a5cf6b0 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@
### Apache Brooklyn helps to model, deploy, and manage systems.
+_This root project is a wrapper around subprojects. **See individual projects for recent changes.**_
+
It supports blueprints in YAML or Java, and deploys them to many clouds and other target environments.
It monitors those deployments, maintains a live model, and runs autonomic policies to maintain their health.
