Fix grammar mistake in hash index README
Dilip Kumar
Discussion: https://www.postgresql.org/message-id/CAFiTN-tjZbuY6vy7kZZ6xO%2BD4mVcO5wOPB5KiwJ3AHhpytd8fg%40mail.gmail.com
Branch------master
Details-------https://git.postgresql.org/pg/commitdiff/b05f7ecec44be22f6de703e5afdeb4ff3559315a
Modified Files--------------src/backend/access/hash/README | 2 +-1 file changed, 1 insertion(+), 1 deletion(-)