Fix nbtree deduplication README commentary.
authorPeter Geoghegan <pg@bowt.ie>
Tue, 24 Mar 2020 21:58:27 +0000 (14:58 -0700)
committerPeter Geoghegan <pg@bowt.ie>
Tue, 24 Mar 2020 21:58:27 +0000 (14:58 -0700)
commitb150a76793109b00ea43c26e0006b3cad9030096
tree17b5d8557604d9c7e1f8dcffa57739fcb6cc3f3f
parent112b006fe79b6fe84647df84a07c201e5a7b1635
Fix nbtree deduplication README commentary.

Descriptions of some aspects of how deduplication works were unclear in
a couple of places.
src/backend/access/nbtree/README