Original sentence: "  In recent times the importance of following this instruction has been emphasized by the Lubavitcher Rebbe.It is an age-old tradition that as a sign of great respect, some great rabbis are simply called "The Rav.Rabbi Shneur Zalman of Liadi
Edited sentence: As a sign of great respect, some great rabbis are simply called "The Rav.Rabbi Shneur Zalman of Liadi's Jewish lawcode is often called the Shulchan Arukh HaRav, theShulchan Arukh of "The Rav"