This extension will do nothing more than look for any keywords defined for this class, and use them to add a new documentation tag associated with the class in the source code.

本扩展仅仅搜寻为该类定义的关键字，然后使用它们，来添加与源代码中的类相关的新记录标签。

youdao

So, by replacing the keywords that the the extension is looking for in your newsfeed and changing the RSS feed(s) that it pulls the replacement images from, you can essentially hack the incoming images in your Facebook feed anyway you want.

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