diff --git a/blockstack_cli/blockstack_registrar/README.md b/blockstack_cli/blockstack_registrar/README.md
index d39b9a56b..a6dcc4244 100644
--- a/blockstack_cli/blockstack_registrar/README.md
+++ b/blockstack_cli/blockstack_registrar/README.md
@@ -2,3 +2,10 @@ blockdata
 =========
 
 For registering/updating users on the blockchain
+
+Installation
+=========
+
+First install coinrpc
+
+> pip install git+ssh://git@github.com/halfmoonlabs/coinrpc.git