diff --git a/battle.go b/battle.go
index 01ccec4..8c06b7a 100644
--- a/battle.go
+++ b/battle.go
@@ -5,6 +5,7 @@ import (
 	"time"
 )
 
+//Battle allow two character types to battle each other
 func Battle(hero, enemy Character) {
 	speed := time.Second * 1
 
@@ -19,9 +20,9 @@ func Battle(hero, enemy Character) {
 
 		if heroInitiative == enemyInitiative {
 			if flipCoin() == "heads" {
-				heroInitiative -= 1
+				heroInitiative-- //does the same as -= 1
 			} else {
-				enemyInitiative -= 1
+				enemyInitiative--
 			}
 		}
 		printCombatantStats(&hero, &enemy, heroInitiative, enemyInitiative)
@@ -71,9 +72,9 @@ func Battle(hero, enemy Character) {
 func flipCoin() string {
 	if rand.Intn(10) < 5 {
 		return "heads"
-	} else {
-		return "tails"
-	}
+	} //no need for 'else', this format is the Go style
+	return "tails"
+
 }
 
 func printCombatantStats(hero, enemy *Character, heroInitiative, enemyInitiative int) {
diff --git a/characters.go b/characters.go
index 74d2031..0a3f9e4 100644
--- a/characters.go
+++ b/characters.go
@@ -1,5 +1,6 @@
 package main
 
+//Character define general type for characters
 type Character struct {
 	Name       string
 	Health     int
@@ -10,6 +11,7 @@ type Character struct {
 	Gear       PaperDoll
 }
 
+//PaperDoll define type for creating basic paper doll feature
 type PaperDoll struct {
 	Weapon Weapon
 }
diff --git a/rooms.go b/rooms.go
index b76c796..00373eb 100644
--- a/rooms.go
+++ b/rooms.go
@@ -1,5 +1,6 @@
 package main
 
+//Room define general type for a basic room
 type Room struct {
 	reward  bool
 	doors   string