One of the changes in the upcoming update is reducing the cost of Break Block to 0.125 dust in order to match Place Block. This change seems to have been reflected in the book, as the cost for Break Block is now listed as "one eighth of an Amethyst Dust". However, the cost for Place Block - which is exactly the same amount - is just listed as "a negligible amount of media". One of these two descriptions should be changed so that they're consistent.

Added to #391