diff --git a/README.md b/README.md
index c4f049066..d9d531513 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,10 @@ Jam-Pb (Protocol Buffers)
 Environment
 -----------
 
-* Download and install protoc 2.4.1 on the command-line: [Protocol Buffers Download](http://code.google.com/p/protobuf/downloads/list)
-* Bash
-* Optionally, if you have 'bundle' available (ruby dependency management tool), protocol buffers for ruby will also build.
+* Download and install protoc 2.4.1 on your PATH: [Protocol Buffers Download](http://code.google.com/p/protobuf/downloads/list)
+* Bash (on windows, [Git Bash[(http://code.google.com/p/msysgit/) was used successfully)]  
+* Optional: if you have 'bundle' available (ruby dependency management tool), protocol buffers for ruby will also build.
+* Optional: if you have protoc-c on your PATH, protocol buffers for c will also build.
 
 Building
 --------
@@ -17,5 +18,10 @@ Using
 -----
 ./target/cpp has cpp output
 ./target/ruby has ruby output
+./target/c has c output
+./target/java has java output
 
-... this is a bit raw... could some day be better. But for now...
+Contributing
+------------
+
+Edit src/client-container.proto to add or change existing messages.   That file has more contextual information in it.