/sys$common/syshlp/helplib.hlb CMS, MODIFY, CLASS, Qualifiers, /REMARK="string"  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Specifies a new remark to be substituted for the creation remark
    that is associated with the class. You cannot change the remark of
    a class that has been set to READ_ONLY.