Update README.md

Author: JusterZhu

README.md

@@ -8,7 +8,7 @@ GeneralUpdate Twin project, a tool for updating service pack builds.
 | -------------------------------- | ---------------- | ------------------------------------------------------------ |
 | Version file template generation | yes              | This file is used for OSS functions and configuration of file templates that update version information. |
 | Upload the update package file   | yes              | Click the build button to upload the update package to the file server by default and insert a version information record. |
-| Build the update package         | yes              |                                                              |
+| Build the update package         | yes              | Generate a differential patch update package.                |