chore: update on review.

Author: billy-the-fish

_partials/_migrate_self_postgres_plan_migration_path.md

@@ -8,7 +8,7 @@ Check the following support matrix against the versions of $TIMESCALE_DB and $PG
 and the versions you want to update to, then choose your upgrade path.
 
 For example, to upgrade from $TIMESCALE_DB 2.13 on $PG 13 to the latest $TIMESCALE_DB version you need to:
-1. Upgrade $TIMESCALE_DB to 2.16.1 (last version fully supporting $PG 13)
+1. Upgrade $TIMESCALE_DB to 2.15.0 (last version fully supporting $PG 13)
 1. Upgrade $PG to 15, 16, 17, or 18
 1. Upgrade $TIMESCALE_DB to the latest available version (2.24.x or higher)