You can always update the information you have on your profile to accurately reflect your skills and experiences as a freelancer. You also have the option to create a Specialized Profile. With a specialized profile, you can tailor your unique skills to your audience on Upwork and create variations of your profile that showcase your experience within specific categories.
You might want to also check the following to help you update your profile:
You can find more helpful resources here.
Yes, you can also edit your profile. Most information on your freelancer profile can be edited by going to Find Work › Profile. Each section has an Edit or Add button. For additional information on editing specific profile sections, check out:
You can find more information in this help article.