Comment typo in src/backend/command/cluster.c

*** a/src/backend/commands/cluster.c
--- b/src/backend/commands/cluster.c
***************
*** 727,733 **** make_new_heap(Oid OIDOldHeap, Oid NewTableSpace, bool forcetemp,
  /*
   * Do the physical copying of heap data.
   *
!  * There are two output parameters:
   * *pSwapToastByContent is set true if toast tables must be swapped by content.
   * *pFreezeXid receives the TransactionId used as freeze cutoff point.
   * *pCutoffMulti receives the MultiXactId used as a cutoff point.
--- 727,733 ----
  /*
   * Do the physical copying of heap data.
   *
!  * There are three output parameters:
   * *pSwapToastByContent is set true if toast tables must be swapped by content.
   * *pFreezeXid receives the TransactionId used as freeze cutoff point.
   * *pCutoffMulti receives the MultiXactId used as a cutoff point.