diff --git a/.markdownlint.yaml b/.markdownlint.yaml
new file mode 100644
index 0000000..a3879fe
--- /dev/null
+++ b/.markdownlint.yaml
@@ -0,0 +1,9 @@
+default: true
+line-length:
+  line_length: 88
+  tables: false
+no-trailing-punctuation: true
+heading-style:
+  style: atx
+no-missing-space-atx: true
+single-title: false
diff --git a/docs/index.md b/docs/index.md
index bfd3467..2103952 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -1,3 +1,4 @@
+---
 title: Home
 ---
 # PSI Data Catalog Documentation