docs(cn): update utilities/typography.md

watonyweng · web-flow · commit 4540a40e163d · 2021-07-19T08:35:21.000+08:00
diff --git a/utilities/typography.md b/utilities/typography.md
@@ -2,7 +2,7 @@
 
 ## Font Family {#font-family}
 
-控制元素 Font Family 的工具类。
+用于控制元素 Font Family 的工具类。
 
 <PlaygroundWithVariants
   variant='sans'
