Fix typo in comment.

diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
index c8e94ab9fe1b123c372060669a9b6eab36e57002..a6f6084b84a6d2df2a477937a1a1e769a107b957 100644 (file)
--- a/src/backend/optimizer/util/relnode.c
+++ b/src/backend/optimizer/util/relnode.c
@@ -672,7 +672,7 @@ build_joinrel_tlist(PlannerInfo *root, RelOptInfo *joinrel,
  *   join paths made from this pair of sub-relations.  (It will not need to
  *   be considered further up the join tree.)
  *
- *   In many case we will find the same RestrictInfos in both input
+ *   In many cases we will find the same RestrictInfos in both input
  *   relations' joinlists, so be careful to eliminate duplicates.
  *   Pointer equality should be a sufficient test for dups, since all
  *   the various joinlist entries ultimately refer to RestrictInfos