Fix md format fail

Author: pluto-han

docs/requirements/dialog-with-text-input.md

@@ -7,6 +7,7 @@ parent: Requirements
 `req~textinput.clipboard.autofocus~1`
 
 When a dialog with text input is opened:
+
 - Text field should be focused.
 - If the clipboard contains contents, it should be in the field and be marked.