diff --git a/.markdownlint.json b/.markdownlint.json
new file mode 100644
index 0000000..fba9b6e
--- /dev/null
+++ b/.markdownlint.json
@@ -0,0 +1,5 @@
+{
+  "no-duplicate-heading": {
+    "siblings_only": true
+  }
+}