diff --git a/pkg/mining/profile_manager.go b/pkg/mining/profile_manager.go
index b7e33dd..03536ba 100644
--- a/pkg/mining/profile_manager.go
+++ b/pkg/mining/profile_manager.go
@@ -13,14 +13,16 @@ import (
 
 const profileConfigFileName = "mining_profiles.json"
 
-// ProfileManager handles CRUD operations for MiningProfiles.
+// pm, err := NewProfileManager()
+// pm.CreateProfile(profile)
 type ProfileManager struct {
 	mu         sync.RWMutex
 	profiles   map[string]*MiningProfile
 	configPath string
 }
 
-// NewProfileManager creates and initializes a new ProfileManager.
+// pm, err := NewProfileManager()
+// if err != nil { return err }
 func NewProfileManager() (*ProfileManager, error) {
 	configPath, err := xdg.ConfigFile(filepath.Join("lethean-desktop", profileConfigFileName))
 	if err != nil {
@@ -82,7 +84,7 @@ func (pm *ProfileManager) saveProfiles() error {
 	return AtomicWriteFile(pm.configPath, data, 0600)
 }
 
-// CreateProfile adds a new profile and saves it.
+// created, err := pm.CreateProfile(&MiningProfile{Name: "XMRig CPU", MinerType: "xmrig"})
 func (pm *ProfileManager) CreateProfile(profile *MiningProfile) (*MiningProfile, error) {
 	pm.mu.Lock()
 	defer pm.mu.Unlock()
@@ -99,7 +101,8 @@ func (pm *ProfileManager) CreateProfile(profile *MiningProfile) (*MiningProfile,
 	return profile, nil
 }
 
-// GetProfile retrieves a profile by its ID.
+// profile, ok := pm.GetProfile("abc-123")
+// if !ok { return errors.New("profile not found") }
 func (pm *ProfileManager) GetProfile(id string) (*MiningProfile, bool) {
 	pm.mu.RLock()
 	defer pm.mu.RUnlock()
@@ -107,7 +110,8 @@ func (pm *ProfileManager) GetProfile(id string) (*MiningProfile, bool) {
 	return profile, exists
 }
 
-// GetAllProfiles returns a list of all profiles.
+// profiles := pm.GetAllProfiles()
+// for _, p := range profiles { render(p) }
 func (pm *ProfileManager) GetAllProfiles() []*MiningProfile {
 	pm.mu.RLock()
 	defer pm.mu.RUnlock()
@@ -119,7 +123,8 @@ func (pm *ProfileManager) GetAllProfiles() []*MiningProfile {
 	return profileList
 }
 
-// UpdateProfile modifies an existing profile.
+// profile.Name = "XMRig GPU"
+// if err := pm.UpdateProfile(profile); err != nil { return err }
 func (pm *ProfileManager) UpdateProfile(profile *MiningProfile) error {
 	pm.mu.Lock()
 	defer pm.mu.Unlock()
@@ -142,7 +147,7 @@ func (pm *ProfileManager) UpdateProfile(profile *MiningProfile) error {
 	return nil
 }
 
-// DeleteProfile removes a profile by its ID.
+// if err := pm.DeleteProfile("abc-123"); err != nil { return err }
 func (pm *ProfileManager) DeleteProfile(id string) error {
 	pm.mu.Lock()
 	defer pm.mu.Unlock()