diff --git a/port-forward/README.md b/port-forward/README.md
index b00a62b..47d7799 100644
--- a/port-forward/README.md
+++ b/port-forward/README.md
@@ -24,6 +24,6 @@ docker run \
 	--publish 81:80 \
 	--ENV REMOTE_HOST=example.com \
 	--ENV REMOTE_PORT=82 \
-	--ENV LOCAL_POST=80 \
+	--ENV LOCAL_PORT=80 \
 	newnius/port-forward
 ```
diff --git a/rpi-port-forward/README.md b/rpi-port-forward/README.md
index 93036f6..edcc5dc 100644
--- a/rpi-port-forward/README.md
+++ b/rpi-port-forward/README.md
@@ -24,7 +24,7 @@ docker run \
 --publish 81:80 \
 --ENV REMOTE_HOST=example.com \
 --ENV REMOTE_PORT=82 \
---ENV LOCAL_POST=80 \
+--ENV LOCAL_PORT=80 \
 newnius/rpi-port-forward
 ```