diff --git a/README.md b/README.md
index 1cb1a07..0126e10 100644
--- a/README.md
+++ b/README.md
@@ -26,12 +26,12 @@ Before you build the first time, apply any patches to vendored content:
 
 Then to build the images run:
 
-    docker run -it --env "TARGET=esp32s3" -v "$(pwd)"/:/firmware matthewwilkes/esp_idf:5.2.1
+    docker run -it --rm --env "TARGET=esp32s3" -v "$(pwd)"/:/firmware matthewwilkes/esp_idf:5.2.1
 
 Alternatively, to flash a badge:
     put the badge into bootloader by disconnecting the usb in, press and hold bat and boop buttons for 20 seconds  then reconnect the usb in and run:
 
-    docker run -it --device /dev/ttyACM0:/dev/ttyUSB0 --env "TARGET=esp32s3" -v "$(pwd)"/:/firmware matthewwilkes/esp_idf:5.2.1 deploy
+    docker run -it --rm --device /dev/ttyACM0:/dev/ttyUSB0 --env "TARGET=esp32s3" -v "$(pwd)"/:/firmware matthewwilkes/esp_idf:5.2.1 deploy
 
 where /dev/ttyACM0 is the device's endpoint. This value is correct on Linux.