diff --git a/.forgejo/workflows/check.yml b/.forgejo/workflows/check.yml
index 7e2d41d..399b551 100644
--- a/.forgejo/workflows/check.yml
+++ b/.forgejo/workflows/check.yml
@@ -7,4 +7,8 @@ jobs:
     name: check
     steps:
       - uses: actions/checkout@v4
+      - uses: actions/markdownlint-cli2-action@v17
+        with:
+          globs: |
+            **/*.md
       - run: shellcheck *.sh monitoring/*.sh
diff --git a/.markdownlint.json b/.markdownlint.json
new file mode 100644
index 0000000..5cf2aa2
--- /dev/null
+++ b/.markdownlint.json
@@ -0,0 +1,3 @@
+{
+    "MD029": { "style": "zero" }
+}