diff --git a/pkg/models/config.go b/pkg/models/config.go
index 628e685..6bb63a1 100644
--- a/pkg/models/config.go
+++ b/pkg/models/config.go
@@ -1,13 +1,13 @@
 package models
 
 type GoTomatoTimerConfig struct {
-	Work       int `json:"work"`
-	ShortBreak int `json:"shortBreak"`
-	LongBreak  int `json:"longBreak"`
-	Sessions   int `json:"sessions"`
+	Work       int `json:"work"`       // Length of work sessions in seconds
+	ShortBreak int `json:"shortBreak"` // Length of short break in seconds
+	LongBreak  int `json:"longBreak"`  // Length if ling break in seconds
+	Sessions   int `json:"sessions"`   // Number of total sessions
 }
 
 type GoTomatoServerConfig struct {
-	ListenAddress string `json:"listenAddress"`
-	ListenPort    int    `json:"listenPort"`
+	ListenAddress string `json:"listenAddress"` // Server listen address
+	ListenPort    int    `json:"listenPort"`    // Server listen port
 }