diff --git a/README.md b/README.md
index 07521b1..0c2221a 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ Follow the long-form tutorial on [Continuous Integration with GitHub Actions](ht
 - uses: cachix/cachix-action@v15
   with:
     name: mycache
-    authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
+    authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
 ```
 
 ### Write cache with signing key
@@ -37,26 +37,26 @@ Follow the long-form tutorial on [Continuous Integration with GitHub Actions](ht
 - uses: cachix/cachix-action@v15
   with:
     name: mycache
-    authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
-    signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
+    authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+    signingKey: "${{ secrets.CACHIX_SIGNING_KEY }}"
 ```
 
 ## Options
 
-| Input | Description | Required | Default |
-|-------|-------------|----------|---------|
-| `name` | Name of a cachix cache to push and pull/substitute | ✓ | |
-| `extraPullNames` | Comma-separated list of names for extra cachix caches to pull/substitute | | |
-| `authToken` | Authentication token for Cachix, needed for private cache access or to push using an Auth Token | | |
-| `signingKey` | Signing key secret retrieved after creating binary cache on https://cachix.org | | |
-| `skipPush` | Set to true to disable pushing build results to the cache | | `false` |
-| `pathsToPush` | Whitespace-separated list of paths to push. Leave empty to push every build result. | | |
-| `pushFilter` | Ignored if pathsToPush is set. Regular expression to exclude derivations for the cache push, for example "(-source$|nixpkgs\.tar\.gz$)". Warning: this filter does not guarantee it will not get pushed in case the path is part of the closure of something that will get pushed. | | |
-| `cachixArgs` | Extra command-line arguments to pass to cachix. If empty, defaults to -j8 | | |
-| `skipAddingSubstituter` | Set to true to skip adding cachix cache as a substitute | | `false` |
-| `useDaemon` | Push store paths to the cache as they're built with the Cachix Daemon | | `true` |
-| `cachixBin` | Provide a custom path to the cachix binary | | |
-| `installCommand` | Override the default cachix installation method | | |
+| Input                   | Description                                                                                                         | Required                                                                                                                                                       | Default |
+| ----------------------- | ------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------- | --- |
+| `name`                  | Name of a cachix cache to push and pull/substitute                                                                  | ✓                                                                                                                                                              |         |
+| `extraPullNames`        | Comma-separated list of names for extra cachix caches to pull/substitute                                            |                                                                                                                                                                |         |
+| `authToken`             | Authentication token for Cachix, needed for private cache access or to push using an Auth Token                     |                                                                                                                                                                |         |
+| `signingKey`            | Signing key secret retrieved after creating binary cache on https://cachix.org                                      |                                                                                                                                                                |         |
+| `skipPush`              | Set to true to disable pushing build results to the cache                                                           |                                                                                                                                                                | `false` |
+| `pathsToPush`           | Whitespace-separated list of paths to push. Leave empty to push every build result.                                 |                                                                                                                                                                |         |
+| `pushFilter`            | Ignored if pathsToPush is set. Regular expression to exclude derivations for the cache push, for example "(-source$ | nixpkgs\.tar\.gz$)". Warning: this filter does not guarantee it will not get pushed in case the path is part of the closure of something that will get pushed. |         |     |
+| `cachixArgs`            | Extra command-line arguments to pass to cachix. If empty, defaults to -j8                                           |                                                                                                                                                                |         |
+| `skipAddingSubstituter` | Set to true to skip adding cachix cache as a substitute                                                             |                                                                                                                                                                | `false` |
+| `useDaemon`             | Push store paths to the cache as they're built with the Cachix Daemon                                               |                                                                                                                                                                | `true`  |
+| `cachixBin`             | Provide a custom path to the cachix binary                                                                          |                                                                                                                                                                |         |
+| `installCommand`        | Override the default cachix installation method                                                                     |                                                                                                                                                                |         |
 
 ## Push modes
 
diff --git a/devenv.nix b/devenv.nix
index 1d6a605..c2318bd 100644
--- a/devenv.nix
+++ b/devenv.nix
@@ -21,7 +21,7 @@ in
   git-hooks.hooks = {
     prettier = {
       enable = true;
-      files = "src/.*$";
+      files = "(src/.*\.ts|.*\.md)$";
     };
     nixfmt-rfc-style.enable = true;
     build-dist = {