pg_upgrade docs: don't use cluster for binary/lib

In a few cases, pg_upgrade said old/new cluster location when it meant
old/new Postgres install location, so fix those.
Per private email report

diff --git a/doc/src/sgml/pgupgrade.sgml b/doc/src/sgml/pgupgrade.sgml
index 523fe440841a135931e8be6d45da11871b69a7e4..c04e552bc93d29a39045f322d7758ecc99d9e40c 100644 (file)
--- a/doc/src/sgml/pgupgrade.sgml
+++ b/doc/src/sgml/pgupgrade.sgml
@@ -81,14 +81,14 @@
      
       -b old_bindir
       --old-bindir=old_bindir
-      the old cluster executable directory;
+      the old PostgreSQL executable directory;
       environment variable PGBINOLD
      
 
      
       -B new_bindir
       --new-bindir=new_bindir
-      the new cluster executable directory;
+      the new PostgreSQL executable directory;
       environment variable PGBINNEW
      
 
@@ -255,7 +255,8 @@ 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.