docs: update serialization interfaces documentation

Author: AndreaGiulianelli

room_control_unit/src/app/model/baseserialization/Serializable.h

@@ -15,14 +15,14 @@
 class Serializer;
 
 /**
- * Interface that model a serializable object.
+ * Interface that models a serializable object.
 */
 class Serializable {
 
     public:
 
         /**
-         * Function used to comunicate the type to the serializer.
+         * Function used to accept a the serializer implementing the double dispatch.
         */
         virtual String accept(Serializer *serializer) = 0;
 

room_control_unit/src/app/model/baseserialization/Serializer.h

@@ -28,7 +28,7 @@ class RoomEntry;
 
 
 /**
- * Interface that model a visitor for events.
+ * Interface that models a visitor for events.
 */
 class Serializer {