diff --git a/doc/src/sgml/textsearch.sgml b/doc/src/sgml/textsearch.sgml
index 4dc52ec983..1a2f04019c 100644
--- a/doc/src/sgml/textsearch.sgml
+++ b/doc/src/sgml/textsearch.sgml
@@ -3614,8 +3614,9 @@ SELECT plainto_tsquery('supernovae stars');
allows the implementation of very fast searches with online update.
Partitioning can be done at the database level using table inheritance,
or by distributing documents over
- servers and collecting search results using the
- module. The latter is possible because ranking functions use
+ servers and collecting external search results, e.g. via Foreign Data access.
+ The latter is possible because ranking functions use
only local information.