Fix typo and capitalization

content/en/content-management/markdown-attributes.md

@@ -1,6 +1,6 @@
 ---
 title: Markdown attributes
-description: Use mardown attributes to add HTML attributes when rendering Markdown to HTML.
+description: Use Markdown attributes to add HTML attributes when rendering Markdown to HTML.
 categories: [content management]
 keywords: [goldmark,markdown]
 menu: