diff --git a/README.md b/README.md
index 51caa53..6fa2bef 100644
--- a/README.md
+++ b/README.md
@@ -16,3 +16,11 @@ docker run -v /home/username/vertcoin:/data -p 8333:8333 lukechilds/vertcoind
 ```
 
 If there is a `vertcoin.conf` in the `/data` volume it will be used. If not, one will be created for you. A secure unique JSON-RPC password will also be generated.
+
+### JSON-RPC
+
+To access JSON-RPC you'll also need to expose port 8332. You probably only want this available to localhost:
+
+```
+docker run -v /home/username/vertcoin:/data -p 8333:8333 -p 127.0.0.1:8332:8332 lukechilds/vertcoind
+```