diff --git a/types/vote_set.go b/types/vote_set.go
index 0c783d5d1..3e9e53b59 100644
--- a/types/vote_set.go
+++ b/types/vote_set.go
@@ -606,8 +606,8 @@ func (voteSet *VoteSet) sumTotalFrac() (int64, int64, float64) {
 //--------------------------------------------------------------------------------
 // Commit
 
-// MakeCommit constructs a Commit from the VoteSet. It only includes precommits
-// for the block, which has 2/3+ majority, and nil.
+// MakeExtendedCommit constructs a Commit from the VoteSet. It only includes
+// precommits for the block, which has 2/3+ majority, and nil.
 //
 // Panics if the vote type is not PrecommitType or if there's no +2/3 votes for
 // a single block.