diff --git a/README.md b/README.md
index 825585e..cb4e3ae 100644
--- a/README.md
+++ b/README.md
@@ -119,7 +119,7 @@ Use the `esp32_deploy.py` script for deploying to multiple devices:
 python3 esp32_deploy.py \
   --ssid "YourSSID" \
   --password "password" \
-  --target-ip 192.168.1.50 \
+  --start-ip 192.168.1.50 \
   --netmask 255.255.255.0 \
   --gateway 192.168.1.1 \
   --iperf-dest-ip 192.168.1.10 \