diff --git a/docs/references/api/resource_embedding.rst b/docs/references/api/resource_embedding.rst
index 392655a8d..1507fd841 100644
--- a/docs/references/api/resource_embedding.rst
+++ b/docs/references/api/resource_embedding.rst
@@ -742,7 +742,7 @@ Here's a sample function (notice the ``RETURNS SETOF films``).
 
   CREATE FUNCTION getallfilms() RETURNS SETOF films AS $$
     SELECT * FROM films;
-  $$ LANGUAGE SQL IMMUTABLE;
+  $$ LANGUAGE SQL STABLE;
 
 A request with ``directors`` embedded: