diff --git a/swarm/storage/localstore/gc.go b/swarm/storage/localstore/gc.go
index 8e7bf86ad8..cd1cd072de 100644
--- a/swarm/storage/localstore/gc.go
+++ b/swarm/storage/localstore/gc.go
@@ -140,10 +140,11 @@ func (db *DB) incGCSize(count int64) {
 
 var writeGCSizeDelay = 10 * time.Second
 
-// writeGCSizeWorker calls writeGCSize function
-// on writeGCSizeTrigger receive. It implements a
-// backoff with delay of writeGCSizeDelay duration
-// to avoid very frequent database operations.
+// writeGCSizeWorker writes gcSize on trigger event
+// and waits writeGCSizeDelay after each write.
+// It implements a linear backoff with delay of
+// writeGCSizeDelay duration to avoid very frequent
+// database operations.
 func (db *DB) writeGCSizeWorker() {
 	for {
 		select {