How can I add or exclude specific phrase/text for each rule?

Hi, I want to do 2 things for each rule I have. 1- I wanna add a text in the end of each rss to post rule, for each rule. For example... "Originally taken from (font name) 2- I also wanna exclude specific text from each rss to post rule...for example... this always comes together to rhe post and I need to exclude it mannually. <h3>"COMMENTS</h3> To comment on a <u>BLABBERMOUTH.NET</u> story or review, you must be logged in to an active personal account on Facebook. Once you're logged in, you will be able to comment. User comments or postings do not reflect the viewpoint of <u>BLABBERMOUTH.NET</u> and <u>BLABBERMOUTH.NET</u> does not endorse, or guarantee the accuracy of, any user comment. To report spam or any abusive, obscene, defamatory, racist, homophobic or threatening comments, or anything that may violate any applicable laws, use the "Report to Facebook" and "Mark as spam" links that appear next to the comments themselves. To do so, click the downward arrow on the top-right corner of the Facebook comment (the arrow is invisible until you roll over it) and select the appropriate action. You can also send an e-mail to blabbermouthinbox(@)gmail.com with pertinent details. <u>BLABBERMOUTH.NET</u> reserves the right to "hide" comments that may be considered offensive, illegal or inappropriate and to "ban" users that violate the site's Terms Of Service. Hidden comments will still appear to the user and to the user's Facebook friends. If a new comment is published from a "banned" user or contains a blacklisted word, this comment will automatically have limited visibility (the "banned" user's comments will only be visible to the user and the user's Facebook friends)."