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-rw-r--r--doc/src/sgml/pgupgrade.sgml4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/src/sgml/pgupgrade.sgml b/doc/src/sgml/pgupgrade.sgml
index 4ac0e566d6d..62856f1df81 100644
--- a/doc/src/sgml/pgupgrade.sgml
+++ b/doc/src/sgml/pgupgrade.sgml
@@ -372,7 +372,9 @@ pg_upgrade.exe
and then do the upgrade. You can use <command>pg_upgrade --check</>
to perform only the checks, even if the old server is still
running. <command>pg_upgrade --check</> will also outline any
- manual adjustments you will need to make after the upgrade.
+ manual adjustments you will need to make after the upgrade. If you
+ are going to be using link mode, you should use the <option>--link</>
+ option with <option>--check</option> to enable link-mode-specific checks.
<command>pg_upgrade</> requires write permission in the current directory.
</para>