Fix typo in comment.

diff --git a/src/backend/optimizer/util/relnode.c b/src/backend/optimizer/util/relnode.c
index ae640fbe1826960c0a322514731e52b96b715ed0..ff67da3c917a637fdef604cd3dc55cd887286679 100644 (file)
--- a/src/backend/optimizer/util/relnode.c
+++ b/src/backend/optimizer/util/relnode.c
@@ -613,7 +613,7 @@ 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