diff --git a/core/state/state_object.go b/core/state/state_object.go
index 85cb8b44de..4011425c2a 100644
--- a/core/state/state_object.go
+++ b/core/state/state_object.go
@@ -127,7 +127,7 @@ func (s *stateObject) touch() {
 	}
 }
 
-// getTrie returns the associated storage trie. The trie will be opened if it'
+// getTrie returns the associated storage trie. The trie will be opened if it's
 // not loaded previously. An error will be returned if trie can't be loaded.
 //
 // If a new trie is opened, it will be cached within the state object to allow
@@ -156,7 +156,7 @@ func (s *stateObject) getPrefetchedTrie() (Trie, error) {
 	if s.data.Root == types.EmptyRootHash || s.db.prefetcher == nil {
 		return nil, nil
 	}
-	// Attempt to retrieve the trie from the pretecher
+	// Attempt to retrieve the trie from the prefetcher
 	return s.db.prefetcher.trie(s.addrHash, s.data.Root)
 }
 
@@ -311,7 +311,7 @@ func (s *stateObject) updateTrie() (Trie, error) {
 	if len(s.pendingStorage) == 0 {
 		return s.trie, nil
 	}
-	// Retrieve a pretecher populated trie, or fall back to the database
+	// Retrieve a prefetcher populated trie, or fall back to the database
 	tr, err := s.getPrefetchedTrie()
 	switch {
 	case err != nil:
diff --git a/core/state/trie_prefetcher.go b/core/state/trie_prefetcher.go
index 7e08964e41..0b45660ac1 100644
--- a/core/state/trie_prefetcher.go
+++ b/core/state/trie_prefetcher.go
@@ -72,7 +72,7 @@ func newTriePrefetcher(db Database, root common.Hash, namespace string) *triePre
 	}
 }
 
-// terminate iterates over all the subfetchers and issues a terminateion request
+// terminate iterates over all the subfetchers and issues a termination request
 // to all of them. Depending on the async parameter, the method will either block
 // until all subfetchers spin down, or return immediately.
 func (p *triePrefetcher) terminate(async bool) {
@@ -234,7 +234,7 @@ func (sf *subfetcher) schedule(keys [][]byte) error {
 	case sf.wake <- struct{}{}:
 		// Wake signal sent
 	default:
-		// Wake signal not sent as a previous is already queued
+		// Wake signal not sent as a previous one is already queued
 	}
 	return nil
 }
@@ -250,7 +250,7 @@ func (sf *subfetcher) wait() {
 // peeks for the original data. The method will block until all the scheduled
 // data has been loaded and the fethcer terminated.
 func (sf *subfetcher) peek() Trie {
-	// Block until the fertcher terminates, then retrieve the trie
+	// Block until the fetcher terminates, then retrieve the trie
 	sf.wait()
 	return sf.trie
 }
@@ -296,7 +296,7 @@ func (sf *subfetcher) loop() {
 	for {
 		select {
 		case <-sf.wake:
-			// Execute all remaining tasks in single run
+			// Execute all remaining tasks in a single run
 			sf.lock.Lock()
 			tasks := sf.tasks
 			sf.tasks = nil