CONTENTS OF PLAN.

SEC. 206. CONTENTS OF PLAN. Section 1123(b) of title 11, United States Code, is amended— (1) in paragraph (4) by striking “and” at the end, (2) by redesignating paragraph (5) as paragraph (6), and (3) by inserting after paragraph (4) the following: “(5) modify the rights of holders of secured claims, other than a claim secured only by a security interest in real property that is the debtor’s principal residence, or of holders of unsecured claims, or leave unaffected the rights of holders of any class of claims; and”.