diff --git a/README.md b/README.md
index 8484ee3..fe78f4f 100644
--- a/README.md
+++ b/README.md
@@ -73,6 +73,7 @@ export default [
         plugins: {
             markdown
         },
+        language: "markdown/commonmark",
         rules: {
             "markdown/no-html": "error"
         }