Fixing PR issues

lib/wal/sources/Scene/Scene.cpp

@@ -8,7 +8,7 @@ namespace WAL
 {
 	std::vector<Entity> &Scene::getEntities()
 	{
-		return this->_entity;
+		return this->_entities;
 	}
 }
 

lib/wal/sources/Scene/Scene.hpp

@@ -15,7 +15,7 @@ namespace WAL
 	{
 	private:
 		//! @brief The list of registered entities
-		std::vector<Entity> _entity;
+		std::vector<Entity> _entities;
 	public:
 		//! @brief Get the list of entities.
 		std::vector<Entity> &getEntities();

lib/wal/sources/Scene/SceneManager.hpp

@@ -20,7 +20,7 @@ namespace WAL
 		//! @return The manager instance used to call this function is returned. This allow method chaining.
 		SceneManager &addScene(Scene &&scene);
 
-		//! @brief Add a scene before the current scene to allow
+		//! @brief Add a scene before the current scene. This could be useful for lobbies or scene where the next scene can be constructed.
 		//! @return The manager instance used to call this function is returned. This allow method chaining.
 		SceneManager &addBackScene(Scene &&scene);