diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c
index 1326fcf8226..7630b154376 100644
--- a/contrib/postgres_fdw/postgres_fdw.c
+++ b/contrib/postgres_fdw/postgres_fdw.c
@@ -2477,7 +2477,7 @@ postgresExplainDirectModify(ForeignScanState *node, ExplainState *es)
  * param_join_conds are the parameterization clauses with outer relations.
  * pathkeys specify the expected sort order if any for given path being costed.
  *
- * The function returns the cost and size estimates in p_row, p_width,
+ * The function returns the cost and size estimates in p_rows, p_width,
  * p_startup_cost and p_total_cost variables.
  */
 static void