diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f4a77e1..4644b97 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -13,6 +13,11 @@ jobs:
     steps:
       - uses: actions/checkout@v7
 
+      - name: Lint Markdown
+        uses: DavidAnson/markdownlint-cli2-action@v23
+        with:
+          globs: "**/*.md"
+
       - name: Check formatting
         run: make format-check
 
diff --git a/.markdownlint.json b/.markdownlint.json
new file mode 100644
index 0000000..2bf8ad4
--- /dev/null
+++ b/.markdownlint.json
@@ -0,0 +1,8 @@
+{
+  "MD013": {
+    "line_length": 100
+  },
+  "MD024": {
+    "siblings_only": true
+  }
+}
diff --git a/README.md b/README.md
index ce47a6b..bfd351b 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Smart Home Refactoring C++ Kata
+# Smart home refactoring kata in C++
 
 [![CI](https://github.com/Coding-Cuddles/smart-home-refactoring-cpp-kata/actions/workflows/main.yml/badge.svg)](https://github.com/Coding-Cuddles/smart-home-refactoring-cpp-kata/actions/workflows/main.yml)
 [![C++17](https://img.shields.io/badge/C%2B%2B-17-blue.svg)](https://en.cppreference.com/w/cpp/17)