diff --git a/triedb/pathdb/database.go b/triedb/pathdb/database.go
index bd6aeaa6ab..a6de3c133f 100644
--- a/triedb/pathdb/database.go
+++ b/triedb/pathdb/database.go
@@ -232,7 +232,7 @@ func (db *Database) repairHistory() error {
 // to only keep 128 diff layers in memory by default.
 //
 // The passed in maps(nodes, states) will be retained to avoid copying everything.
-// Therefore, these maps must not be changed afterwards.
+// Therefore, these maps must not be changed afterward.
 func (db *Database) Update(root common.Hash, parentRoot common.Hash, block uint64, nodes *trienode.MergedNodeSet, states *triestate.Set) error {
 	// Hold the lock to prevent concurrent mutations.
 	db.lock.Lock()
diff --git a/triedb/pathdb/disklayer.go b/triedb/pathdb/disklayer.go
index 964ad2ef77..d0087a0822 100644
--- a/triedb/pathdb/disklayer.go
+++ b/triedb/pathdb/disklayer.go
@@ -183,7 +183,7 @@ func (dl *diskLayer) commit(bottom *diffLayer, force bool) (*diskLayer, error) {
 	// Mark the diskLayer as stale before applying any mutations on top.
 	dl.stale = true
 
-	// Store the root->id lookup afterwards. All stored lookups are identified
+	// Store the root->id lookup afterward. All stored lookups are identified
 	// by the **unique** state root. It's impossible that in the same chain
 	// blocks are not adjacent but have the same root.
 	if dl.id == 0 {