diff --git a/README.md b/README.md
index fbc407c..783a190 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ See [`.github/workflows/ci.yml`](.github/workflows/ci.yml) for a full example.
 | :----------------------- | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :----------------------------------------- | :---------------------------------------- |
 | `backtrace`              | The setting for [`RUST_BACKTRACE`][backtrace]                                                                                                                                                         | string                                     |                                           |
 | `extra-args`             | Extra arguments to pass to the planner (prefer using structured `with:` arguments unless using a custom [planner]!)                                                                                   | string                                     |                                           |
-| `extra-conf`             | Extra configuration lines for `/etc/nix/nix.conf` (includes `access-tokens` with `secrets.GITHUB_TOKEN` automatically if `github-token` is set)                                                           | string                                     |                                           |
+| `extra-conf`             | Extra configuration lines for `/etc/nix/nix.conf` (includes `access-tokens` with `secrets.GITHUB_TOKEN` automatically if `github-token` is set)                                                       | string                                     |                                           |
 | `github-token`           | A [GitHub token] for making authenticated requests (which have a higher rate-limit quota than unauthenticated requests)                                                                               | string                                     | `${{ github.token }}`                     |
 | `init`                   | The init system to configure (requires `planner: linux-multi`)                                                                                                                                        | enum (`none` or `systemd`)                 |                                           |
 | `local-root`             | A local `nix-installer` binary root. Overrides the `nix-installer-url` setting (a `nix-installer.sh` should exist, binaries should be named `nix-installer-$ARCH`, eg. `nix-installer-x86_64-linux`). | Boolean                                    | `false`                                   |