diff --git a/README.md b/README.md
index c72273e..424cd6f 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ The only requirements are [Docker](https://docs.docker.com/get-docker/) and [Doc
 git clone https://github.com/lalanza808/docker-monero-node
 cd docker-monero-node
 
-# OPTIONAL: Setup Grafana password and blockchain storage location
+# OPTIONAL: Setup Grafana password, blockchain storage location, or port overrides
 cp env-example .env
 vim .env
 
@@ -21,13 +21,13 @@ vim .env
 docker-compose build  # make build
 ```
 
-The following ports will be bound for `monerod`:
+The following ports will be bound for `monerod` by default, but you can override in `.env`:
 - 18080   # p2p
-- 18089   # restricted rpc
+- 18081   # restricted rpc
 - 18082   # zmq
 - 18083   # unrestricted rpc
 
-You will want to open/allow ports 18080 and 18089 in your firewall for usage as a remote/public node.
+You will want to open/allow ports 18080 and 18081 in your firewall for usage as a remote/public node (or whichever p2p and restricted ports you picked).
 
 ## Usage
 
diff --git a/env-example b/env-example
index bdd8fa6..3d8f793 100644
--- a/env-example
+++ b/env-example
@@ -1,2 +1,6 @@
 DATA_DIR=/opt/monero/data
 GRAFANA_PASSWORD=xxxxxxx
+P2P_PORT=18080
+RESTRICTED_PORT=18081
+ZMQ_PORT=18082
+UNRESTRICTED_PORT=18083