Keyword docs missing, or mislabelled keywords

The following documentation comment has been logged on the website:

Page: https://www.postgresql.org/docs/13/sql-keywords-appendix.html
Description:

https://www.postgresql.org/docs/13/sql-keywords-appendix.html

Missing:
BUFFERS (as found in EXPLAIN)
COSTS (as found in EXPLAIN)
MODULUS (as found in partition_bound_spec segment of ALTER TABLE)
REMAINDER (as found in partition_bound_spec segment of ALTER TABLE)
RESTRICTED (as found in CREATE FUNCTION (PARALLEL RESTRICTED))
SAFE (as found in CREATE FUNCTION (PARALLEL SAFE))
UNSAFE (as found in CREATE FUNCTION (PARALLEL UNSAFE))


Mislabelled:
FORMAT (is a keyword in EXPLAIN)