docs: fix spelling error (#2890)

Mikmist · web-flow · commit f5834a2b27ba · 2021-12-19T03:20:29.000+08:00
diff --git a/packages/docs/docs/guide/markdown.md b/packages/docs/docs/guide/markdown.md
@@ -323,7 +323,7 @@ export default { // Highlighted
 
 ## Line Numbers
 
-You can enable line numbers for each code blocks via config:
+You can enable line numbers for each code block via config:
 
 ``` js
 module.exports = {
