diff --git a/doc/src/sgml/fdwhandler.sgml b/doc/src/sgml/fdwhandler.sgml
index 455eef64af47ceedda301ad5342c7d060ac8f042..4cd79f3de244540a0fbb89f6ba03051961702ba2 100644
--- a/doc/src/sgml/fdwhandler.sgml
+++ b/doc/src/sgml/fdwhandler.sgml
@@ -1201,7 +1201,7 @@ ImportForeignSchema (ImportForeignSchemaStmt *stmt, Oid serverOid);
 
     <para>
 <programlisting>
-Size
+bool
 IsForeignScanParallelSafe(PlannerInfo *root, RelOptInfo *rel,
                           RangeTblEntry *rte);
 </programlisting>