Unclear doc of delta replication of ORMap

The documentation paragraph about delta replication within this section does not seem clear to me.

Specifically: "Support for deltas here means that the ORSet being underlying key type for all those maps uses delta propagation to deliver updates. Effectively, the update for map is then a pair, consisting of delta for the ORSet being the key and full update for the respective value (ORSet, PNCounter or LWWRegister) kept in the map."

Some articles are missing, and "ORSet being underlying key type for all those maps" could gain to be moved earlier into a separate sentence that presents this implementation detail. (If I understood correctly)