diff --git a/README.md b/README.md
index ca9968a..3878840 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ A container with `make install-deps` already run is provided at `ghcr.io/jasonn3
 
 To use the container file, run `docker run --privileged --volume .:/build-container-installer/build ghcr.io/jasonn3/build-container-installer:latest`.
 
-This will create an ISO with the baked in defaults of the container image.
+This will create an ISO with the baked in defaults of the container image. The resulting file will be called `deploy.iso`
 
 See [Customizing](#customizing) for information about customizing the ISO that gets created. The variable can either be defined as environment variables.
 Examples: