diff --git a/README.md b/README.md
index 9127bf9d67c..a85ed9dd536 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,7 @@ All configuration is specified in the [config](config/) folder, particularly the
 
 There is a bitcoind configuration sample at:
 ```
-    etc/mystery/bitcoin.conf
+    etc/bitcoind/bitcoin.conf
 ```
 
 If you want to use a external bitcoind server set BITCOIND_HOST / BITCOIND_PORT enviroment variables. Make sure that bitcoind is configured to accept incomming connections using 'rpcallowip' decribed in https://en.bitcoin.it/wiki/Running_Bitcoin.
@@ -118,6 +118,13 @@ If you are using node instead of grunt, it is very similar:
 
 	$ NODE_ENV=test node server
 
+
+### Development enviroment
+To run mystery locally for development:
+
+  $ NODE_ENV=development grunt
+
+
 ## Github
 [Mystery](https://github.com/bitpay/mystery)