--- a/README.markdown
+++ b/README.markdown
@@ -61,6 +61,8 @@
     (anvil)~/src$ cd forge
     (anvil)~/src/forge$ easy_install pip
     (anvil)~/src/forge$ pip install -r requirements-dev.txt
+
+If you want to use RabbitMQ for faster message processing (optional), also pip install 'amqplib' and 'kombu'.
 
 And now to setup each of the Forge applications for development.  Because there are quite a few (at last count 15), we'll use a simple shell loop to set them up.