Add branch notes to the README files, including links to the design doc.
diff --git a/README b/README
index d130899..ca3e8df 100644
--- a/README
+++ b/README
@@ -47,6 +47,14 @@
   http://dynamorio.org/
 
 ************************************************************
+Branch Notes: Project JIT Optimization
+
+This is the feature branch for merging experimental code from
+experimental-optimize-jit. Details can be found on the DynamoRIO wiki:
+
+    https://github.com/DynamoRIO/dynamorio/wiki/JIT-Optimization
+
+************************************************************
 Quickstart instructions for running DynamoRIO:
 
 --------------------------------------------------
diff --git a/README.md b/README.md
index 45acbd6..cbbfca3 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,14 @@
 running on stock operating systems (Windows, Linux, or Android) and commodity
 IA-32, AMD64, ARM, and AArch64 hardware.  Mac OSX support is in progress.
 
+## Branch Notes: Project Optimize JIT
+
+This is the feature branch for merging experimental code from
+[experimental-optimize-jit](https://github.com/DynamoRIO/dynamorio/tree/experimental-optimize-jit).
+Details can be found in the
+[design document](https://github.com/DynamoRIO/dynamorio/wiki/JIT-Optimization)
+on the DynamoRIO wiki.
+
 ## Existing DynamoRIO-based tools
 
 Tools built on DynamoRIO include: