diff --git a/README.md b/README.md
index df61f96..1731102 100644
--- a/README.md
+++ b/README.md
@@ -94,14 +94,14 @@ jobs:
 
 Following inputs can be used as `step.with` keys
 
-| Name               | Type    | Default                           | Description                        |
-|--------------------|---------|-----------------------------------|------------------------------------|
-| `version`          | String  |                                   | [Buildx](https://github.com/docker/buildx) version. (e.g. `v0.3.0`, `latest`) |
-| `driver`           | String  | `docker-container`                | Sets the [builder driver](https://github.com/docker/buildx#--driver-driver) to be used |
-| `driver-opt`       | String  |                                   | Passes additional [driver-specific options](https://github.com/docker/buildx#--driver-opt-options) |
-| `buildkitd-flags`  | String  |                                   | [Flags for buildkitd](https://github.com/moby/buildkit/blob/master/docs/buildkitd.toml.md) daemon |
-| `install`          | Bool    | `false`                           | Sets up `docker build` command as an alias to `docker buildx` |
-| `use`              | Bool    | `true`                            | Switch to this builder instance |
+| Name               | Type    | Description                       |
+|--------------------|---------|-----------------------------------|
+| `version`          | String  | [Buildx](https://github.com/docker/buildx) version. (e.g. `v0.3.0`, `latest`) |
+| `driver`           | String  | Sets the [builder driver](https://github.com/docker/buildx#--driver-driver) to be used (default `docker-container`) |
+| `driver-opt`       | String  | Passes additional [driver-specific options](https://github.com/docker/buildx#--driver-opt-options) |
+| `buildkitd-flags`  | String  | [Flags for buildkitd](https://github.com/moby/buildkit/blob/master/docs/buildkitd.toml.md) daemon |
+| `install`          | Bool    | Sets up `docker build` command as an alias to `docker buildx` (default `false`) |
+| `use`              | Bool    | Switch to this builder instance (default `true`) |
 
 ### outputs