diff --git a/markdown.md b/markdown.md
index 01b8fe565..46e9749b8 100644
--- a/markdown.md
+++ b/markdown.md
@@ -56,6 +56,11 @@ __bold__
 - Item 2
 ```
 
+```markdown
+- [ ] Checkbox off
+- [x] Checkbox on
+```
+
 ### Links
 
 ```markdown