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-rw-r--r--doc/src/sgml/ref/alter_foreign_data_wrapper.sgml12
1 files changed, 7 insertions, 5 deletions
diff --git a/doc/src/sgml/ref/alter_foreign_data_wrapper.sgml b/doc/src/sgml/ref/alter_foreign_data_wrapper.sgml
index 7376804403d..91ac1b2f0c9 100644
--- a/doc/src/sgml/ref/alter_foreign_data_wrapper.sgml
+++ b/doc/src/sgml/ref/alter_foreign_data_wrapper.sgml
@@ -91,11 +91,13 @@ ALTER FOREIGN DATA WRAPPER <replaceable class="parameter">name</replaceable> REN
</para>
<para>
- Note that it is possible that after changing the validator the
- options to the foreign-data wrapper, servers, and user mappings
- have become invalid. It is up to the user to make sure that
- these options are correct before using the foreign-data
- wrapper.
+ Note that it is possible that pre-existing options of the foreign-data
+ wrapper, or of dependent servers, user mappings, or foreign tables, are
+ invalid according to the new validator. <productname>PostgreSQL</> does
+ not check for this. It is up to the user to make sure that these
+ options are correct before using the modified foreign-data wrapper.
+ However, any options specified in this <command>ALTER FOREIGN DATA
+ WRAPPER</> command will be checked using the new validator.
</para>
</listitem>
</varlistentry>