For the greater good, and other things...

Xander debated on whether to use the computer to alter Faith in anyway, before he decided that for the benefit of the mission. And if he benefited from it as well, well, two birds with one stone. So he tried to focus on the most important elements which he had to change. Then he began to type...

04 - Faith, rather then getting attracted to the killing aspect of being the Slayer, is getting attracted to the helping people aspect of being the Slayer.

05 - Faith upon meetng Xander will developed a deep personal trust and loyalty to the young man. She will know that he is trustworthy man, having total faith in him. She will also develop an attraction to him as well, falling in both love and lust for him.

Xander placed that as he knew that Faith was in town and would shortly come across the rest of the Scooby gang. Likely in the Bronze, in a night or two. He just had to wait and they would fall into each other's path. Having set up a new Slayer in their group even as Buffy decided to forget their duty, he wondered what else he could do with the computer...