diff --git a/include/KeyboardController.h b/include/KeyboardController.h
index 0d3cea4..dbd75ff 100644
--- a/include/KeyboardController.h
+++ b/include/KeyboardController.h
@@ -12,9 +12,10 @@ public:
 	SDL_Scancode down;
 	SDL_Scancode left;
 	SDL_Scancode right;
+	//SDL_Scancode action;
 
 	KeyboardController();
-	KeyboardController(SDL_Scancode up, SDL_Scancode down, SDL_Scancode left, SDL_Scancode right);
+	KeyboardController(SDL_Scancode up, SDL_Scancode down, SDL_Scancode left, SDL_Scancode right/*, SDL_Scancode action*/);
 
 	~KeyboardController();
 
diff --git a/src/Game.cpp b/src/Game.cpp
index 702f1f3..622f521 100644
--- a/src/Game.cpp
+++ b/src/Game.cpp
@@ -69,10 +69,10 @@ void Game::init(const char* title, int xpos, int ypos, int width, int height, bo
 	//ecs implementation
 
 	player.addComponent<TransformComponent>(0,0,2); //posx, posy, scale
-	player.addComponent<SpriteComponent>("assets/chicken_neutral_knight.png");
+	player.addComponent<SpriteComponent>("assets/chicken_neutral_knight.png"); //adds sprite (32x32px), path needed
 	player.addComponent<KeyboardController>(SDL_SCANCODE_W, SDL_SCANCODE_S, SDL_SCANCODE_A, SDL_SCANCODE_D);//custom keycontrols can be added
-	player.addComponent<ColliderComponent>("player");
-	player.addGroup(GROUP_PLAYERS);
+	player.addComponent<ColliderComponent>("player"); //adds tag (for further use, reference tag)
+	player.addGroup(GROUP_PLAYERS); //tell programm what group it belongs to for rendering order
 
 	enemy.addComponent<TransformComponent>(600, 500, 2);
 	enemy.addComponent<SpriteComponent>("assets/chicken_neutral.png");