diff --git a/src/backend/executor/execTuples.c b/src/backend/executor/execTuples.c
index 968e2039d1..34ecc49f84 100644
--- a/src/backend/executor/execTuples.c
+++ b/src/backend/executor/execTuples.c
@@ -1602,7 +1602,7 @@ ExecStoreHeapTupleDatum(Datum data, TupleTableSlot *slot)
  * NB: If materialize is true, modifications of the returned tuple are
  * allowed. But it depends on the type of the slot whether such modifications
  * will also affect the slot's contents. While that is not the nicest
- * behaviour, all such modifcations are in the process of being removed.
+ * behaviour, all such modifications are in the process of being removed.
  */
 HeapTuple
 ExecFetchSlotHeapTuple(TupleTableSlot *slot, bool materialize, bool *shouldFree)