Which of the 7 commandments are changed? How do these changed alter the original intention of the commandments?

In Chapter Eight, after the Chapter Seven murders, some of the animals recall the Sixth Commandment, “No animal shall kill any other animal.” Cloveragain asks Muriel to read to her from the wall, only to find that the Sixth Commandment has been changed to: “No animal shall kill any other animal without cause” (98).