diff --git a/pkg/mining/manager.go b/pkg/mining/manager.go
index f06c547..17595e0 100644
--- a/pkg/mining/manager.go
+++ b/pkg/mining/manager.go
@@ -682,7 +682,8 @@ func (m *Manager) collectSingleMinerStats(miner Miner, minerType string, now tim
 	})
 }
 
-// GetMinerHashrateHistory returns the hashrate history for a specific miner.
+// points, err := manager.GetMinerHashrateHistory("xmrig")
+// for _, p := range points { fmt.Println(p.Timestamp, p.Hashrate) }
 func (m *Manager) GetMinerHashrateHistory(name string) ([]HashratePoint, error) {
 	m.mu.RLock()
 	defer m.mu.RUnlock()
@@ -733,7 +734,8 @@ func (m *Manager) Stop() {
 	})
 }
 
-// GetMinerHistoricalStats returns historical stats from the database for a miner.
+// stats, err := manager.GetMinerHistoricalStats("xmrig")
+// if err == nil { fmt.Println(stats.AverageHashrate) }
 func (m *Manager) GetMinerHistoricalStats(minerName string) (*database.HashrateStats, error) {
 	if !m.databaseEnabled {
 		return nil, ErrDatabaseError("database persistence is disabled")
@@ -741,7 +743,7 @@ func (m *Manager) GetMinerHistoricalStats(minerName string) (*database.HashrateS
 	return database.GetHashrateStats(minerName)
 }
 
-// GetMinerHistoricalHashrate returns historical hashrate data from the database.
+// points, err := manager.GetMinerHistoricalHashrate("xmrig", time.Now().Add(-1*time.Hour), time.Now())
 func (m *Manager) GetMinerHistoricalHashrate(minerName string, since, until time.Time) ([]HashratePoint, error) {
 	if !m.databaseEnabled {
 		return nil, ErrDatabaseError("database persistence is disabled")
@@ -763,7 +765,8 @@ func (m *Manager) GetMinerHistoricalHashrate(minerName string, since, until time
 	return points, nil
 }
 
-// GetAllMinerHistoricalStats returns historical stats for all miners from the database.
+// allStats, err := manager.GetAllMinerHistoricalStats()
+// for _, s := range allStats { fmt.Println(s.MinerName, s.AverageHashrate) }
 func (m *Manager) GetAllMinerHistoricalStats() ([]database.HashrateStats, error) {
 	if !m.databaseEnabled {
 		return nil, ErrDatabaseError("database persistence is disabled")
@@ -771,7 +774,7 @@ func (m *Manager) GetAllMinerHistoricalStats() ([]database.HashrateStats, error)
 	return database.GetAllMinerStats()
 }
 
-// IsDatabaseEnabled returns whether database persistence is enabled.
+// if manager.IsDatabaseEnabled() { /* persist stats */ }
 func (m *Manager) IsDatabaseEnabled() bool {
 	return m.databaseEnabled
 }