diff --git a/doc/src/sgml/ref/reindex.sgml b/doc/src/sgml/ref/reindex.sgml
index 95830ebd420..70dbf636b61 100644
--- a/doc/src/sgml/ref/reindex.sgml
+++ b/doc/src/sgml/ref/reindex.sgml
@@ -1,5 +1,5 @@
@@ -122,6 +122,12 @@ REINDEX
failures. REINDEX provides a recovery method.
+
+ REINDEX also removes certain dead index pages that
+ can't be reclaimed any other way. See the "Routine Reindexing"
+ section in the manual for more information.
+
+
If you suspect corruption of an index on a user table, you can
simply rebuild that index, or all indexes on the table, using