This is added to mean 'this sentence is ABOUT the previous word'. Simply stick it after the noun you want to talk about.
番組についてのお知らせです。
bangumi ni tsuite no oshirase desu.
This is an annoucement about the program (TV for example).あの映画についてどう思う？
ano eiga ni tsuite dou omou?
What do you think about that movie?