Original (change only 2nd sentence):
This specification MAY specify restrictions on markup types or
Presentation Fragments so that Consumers can reliably aggregate multiple
Producers into a single page. This specification SHOULD make reasonable
effort to put as few such restrictions as possible.
Suggested rewording:
This specification MAY specify restrictions on markup types or
Presentation Fragments so that Consumers can reliably aggregate multiple
Producers into a single page. This specification MUST specify as few
such restrictions as possible.
