fix comment

stats.go

@@ -406,7 +406,7 @@ func (ts *timespan) CompleteWithDuration(value time.Duration) {
 type statStore struct {
 	counters sync.Map
 	gauges   sync.Map
-	timers   sync.Map // todo: idea how memory was managed here before did we just expect these maps to just be replaced after it's filled?
+	timers   sync.Map // todo: no idea how memory was managed here before did we just expect these maps to just be replaced after it's filled?
 
 	mu             sync.RWMutex
 	statGenerators []StatGenerator