In the Rule ‘The Continuum’, change the clause:

Often, a Traveler may change the values of ‘x’, ‘y’, ‘z’, ‘w’, or ‘t’ as permitted by any of the legal Formulas that exist in the GNDT (provided that division by zero does not occur), then giving notice on the front page that this has happened.

to

A Traveler may often change one of the values of ‘x’, ‘y’, ‘z’, ‘w’, or ‘t’ as permitted by any of the legal Formulas that exist in the GNDT (provided that division by zero does not occur), then giving notice on the front page that this has happened.

“One” is a nice word, and I seem to have omitted it from an important place in that sentence. Thanks to Kevan for helping me parse this.