
Evaluating your work is an important part of the project. Continuously think about how your work could be improved and what things you would have done differently if you'd had more time or access to different resources.
You really need to be constantly evaluating your work as you go along and describe things like:
Think about these things as you construct your plan and include time for evaluating and improving your work as you go along rather than as a final evaluation. The process should be something like the one shown in the diagram below:

If your work isn't fit for purpose, don't be afraid to re-design, re-make and test again
It is really important that other people also evaluate your work. You must include time in your plan for other people to look at your work and provide feedback to help improve your work.