diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
new file mode 100644
index 0000000..688266d
--- /dev/null
+++ b/.pre-commit-config.yaml
@@ -0,0 +1,21 @@
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.3.0
+    hooks:
+      - id: check-added-large-files
+      - id: check-case-conflict
+      - id: check-merge-conflict
+      - id: check-toml
+      - id: check-yaml
+      - id: detect-private-key
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+
+  - repo: https://github.com/executablebooks/mdformat
+    rev: 0.7.16
+    hooks:
+      - id: mdformat
+        additional_dependencies:
+          - mdformat-toc
+          - mdformat-gfm
+          - mdformat-black
diff --git a/README.md b/README.md
index 652bb9f..7914697 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 ![mc-onedark](https://raw.githubusercontent.com/DeadNews/mc-onedark/main/preview/Screenshot_20201219_204641.png)
 
-# Theme variants
+## Theme variants
 
 The mc OneDark theme comes in two flavors, an 8/16 color option (`onedark.ini`) and a 16M color option (`onedark16M.ini`). The 8/16 color version is entirely dependent on having installed the relevant OneDark theme for your terminal too as it uses the color palette fixed by your terminal.
 
@@ -10,22 +10,33 @@ See [Konsole](https://store.kde.org/p/1225908/) color scheme for example.
 
 The 16M color version can be used independently of any terminal color scheme, but requires true color support in the terminal.
 
-# Installation
+## Installation
 
-Copy files from `./skins` to `~/.local/share/mc/skins` \
-Copy files from `./config` to `~/.config/mc/` (optional)
+- Copy files from `./skins` to `~/.local/share/mc/skins`
+- Copy files from `./config` to `~/.config/mc/` (optional)
 
+## Activating ways
 
-# Activating theme
+- Choose the skin through the mc UI with:
 
-Option 1: edit `~/.config/mc/ini` and add `skin=onedark`: \
-`sed -i 's|\(^skin=\).*$|\1onedark|' ~/.config/mc/ini`
+```sh
+# F9 > Options > Appearance
+```
 
-Option 2: choose the skin through the mc UI with: \
-`F9 > Options > Appearance`
+- Edit `~/.config/mc/ini` and add `skin=onedark`:
 
-Option 3: run mc with specific skin: \
-`mc -S onedark`
+```sh
+sed -i 's|\(^skin=\).*$|\1onedark|' ~/.config/mc/ini
+```
 
-Option 4: add `export MC_SKIN=onedark` to the initialization file of your shell (e.g., `~/.bashrc` or `~/.zshrc`): \
-`echo "export MC_SKIN=onedark" >> ~/.zshrc`
\ No newline at end of file
+- Run mc with specific skin:
+
+```sh
+mc -S onedark
+```
+
+- Add `export MC_SKIN=onedark` to the initialization file of your shell (e.g., `~/.bashrc` or `~/.zshrc`):
+
+```sh
+echo "export MC_SKIN=onedark" >> ~/.zshrc
+```
diff --git a/config/filehighlight.ini b/config/filehighlight.ini
index f6642f2..d3b0391 100644
--- a/config/filehighlight.ini
+++ b/config/filehighlight.ini
@@ -47,4 +47,3 @@
 
 [config]
     extensions=ini;conf
-
diff --git a/skins/onedark.ini b/skins/onedark.ini
index acf4f6e..0e50c6a 100644
--- a/skins/onedark.ini
+++ b/skins/onedark.ini
@@ -65,7 +65,7 @@
     core = red;
     temp = gray;
     archive = magenta;
-    doc = 
+    doc =
     source = brightcyan;
     media = green;
     graph = cyan;