diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9e7e9d9..90b4ff0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -16,7 +16,7 @@ jobs:
       - name: Install packages
         run: sudo gem install mdl
       - name: Lint markdown files
-        run: mdl . -r ~MD036,~MD024,~MD004,~MD029
+        run: mdl . -r ~MD036,~MD024,~MD004,~MD029,~MD013
       - run: pip install -r requirements.txt
       - run: mkdocs build --strict
       - run: npm install