diff --git a/src/backend/commands/trigger.c b/src/backend/commands/trigger.c
index d169027..43421d6 100644
--- a/src/backend/commands/trigger.c
+++ b/src/backend/commands/trigger.c
@@ -4126,7 +4126,7 @@ AfterTriggerEndXact(bool isCommit)
/*
- * Forget the query stack and constrant-related state information. As
+ * Forget the query stack and constraint-related state information. As
* with the subtransaction state information, we don't bother freeing the
* memory here.
*/
merlin