Update description of recovery prefetch feature

Reviewed-by: David Rowley <dgrowleyml@gmail.com>

diff --git a/releases/15/release.en.md b/releases/15/release.en.md
index 229f6ad375a95d3dcd585df110c34ab462ae83de..66e9e1a22cd3046ea25d2d9cccdaf03efaa42bc7 100644 (file)
--- a/releases/15/release.en.md
+++ b/releases/15/release.en.md
@@ -22,7 +22,7 @@ of all sizes.
 In this latest release, PostgreSQL improves on its in-memory and on-disk
 [sorting](https://www.postgresql.org/docs/15/queries-order.html) algorithms,
 with benchmarks showing speedups of 25% - 400% based on which data types are
-sorted. Using `row_number()`, `rank()`, and `count()` as
+sorted. Using `row_number()`, `rank()`, `dense_rank()`, and `count()` as
 [window functions](https://www.postgresql.org/docs/15/functions-window.html)
 also have performance benefits in PostgreSQL 15. Queries using
 [`SELECT DISTINCT`](https://www.postgresql.org/docs/15/queries-select-lists.html#QUERIES-DISTINCT)
@@ -40,9 +40,9 @@ The performance improvements in PostgreSQL 15 extend to its archiving and backup
 facilities. PostgreSQL 15 adds support for LZ4 and Zstandard (zstd)
 [compression to write-ahead log (WAL) files](https://www.postgresql.org/docs/15/runtime-config-wal.html#GUC-WAL-COMPRESSION),
 which can have both space and performance benefits for certain workloads. On
-certain operating systems, PostgreSQL 15 supports the ability to
-[prefetch WAL file contents](https://www.postgresql.org/docs/15/runtime-config-wal.html#GUC-RECOVERY-PREFETCH)
-to speed up recovery times. PostgreSQL's built-in backup command,
+certain operating systems, PostgreSQL 15 adds support to
+[prefetch pages referenced in WAL](https://www.postgresql.org/docs/15/runtime-config-wal.html#GUC-RECOVERY-PREFETCH)
+to help speed up recovery times. PostgreSQL's built-in backup command,
 [`pg_basebackup`](https://www.postgresql.org/docs/15/app-pgbasebackup.html), now
 supports server-side compression of backup files with a choice of gzip, LZ4, and
 zstd. PostgreSQL 15 includes the ability to use