diff --git a/doc/src/sgml/pgupgrade.sgml b/doc/src/sgml/pgupgrade.sgml
index 8eb037550237401ce7192d8bae5151a6272f8877..f6cd9f0d881730c6d07e6f7bded754c3cc43dfb1 100644
--- a/doc/src/sgml/pgupgrade.sgml
+++ b/doc/src/sgml/pgupgrade.sgml
@@ -81,14 +81,14 @@
bindir>bindir>
- the old cluster executable directory;
+ the old PostgreSQL executable directory;
environment variable PGBINOLD>bindir>bindir>
- the new cluster executable directory;
+ the new PostgreSQL executable directory;
environment variable PGBINNEW>
@@ -254,7 +254,8 @@ gmake prefix=/usr/local/pgsql.new install
Install the pg_upgrade> binary and
- pg_upgrade_support> library in the new PostgreSQL cluster.
+ pg_upgrade_support> library in the new PostgreSQL
+ installation.