diff --git a/explorer/explorer.go b/explorer/explorer.go
index 3339be10..311999ba 100644
--- a/explorer/explorer.go
+++ b/explorer/explorer.go
@@ -5,7 +5,7 @@ import (
 	"go.sia.tech/coreutils/chain"
 )
 
-// A HashStore is a database that stores the state element merkle tree.
+// A HashStore stores the state element merkle tree.
 type HashStore interface {
 	chain.Subscriber
 
diff --git a/internal/explorerutil/hashstore.go b/internal/explorerutil/hashstore.go
index 38cea4e9..4b65fff0 100644
--- a/internal/explorerutil/hashstore.go
+++ b/internal/explorerutil/hashstore.go
@@ -11,6 +11,7 @@ import (
 	"go.sia.tech/coreutils/chain"
 )
 
+// HashStore stores the state element merkle tree.
 type HashStore struct {
 	hashFiles [64]*os.File
 	numLeaves uint64