Update README.md

lixiang1994 · web-flow · commit 606c361fa610 · 2020-08-31T17:08:16.000+08:00
diff --git a/README.md b/README.md
@@ -228,7 +228,7 @@ textView.attributed.text = string
 
 For complex styles, it is recommended to use UITextView.
 
-UITextview needs to set isEditable and isSelectable to false.
+UITextview needs to set `isEditable` and `isSelectable` to `false`.
 
 ##### Click:	
 
