diff --git a/src/backend/access/transam/twophase.c b/src/backend/access/transam/twophase.c
index d8e2fce2c99..33369fbe23a 100644
--- a/src/backend/access/transam/twophase.c
+++ b/src/backend/access/transam/twophase.c
@@ -2817,7 +2817,7 @@ LookupGXactBySubid(Oid subid)
 }
 
 /*
- * TwoPhaseGetXidByLockingProc
+ * TwoPhaseGetOldestXidInCommit
  *		Return the oldest transaction ID from prepared transactions that are
  *		currently in the commit critical section.
  *