Yes, you can edit the skills on your profile.
Move the cursor over the Profile option in the navigation bar at the top of the page. When the drop-down list appears, select Profile Settings.
Once you’ve been directed to your profile, look for the menu list that appears beneath your profile picture to the left of the page. From that list, select Skills.
Once you’ve been directed to the page for your skills, look for the Edit Skills button in the top right area of the page. By clicking the button, you will be able to remove any skills from your profile and/or add any skills to your profile.