To edit your basic personal info (ex: gender, contact info, relationships, work and education):
Go to your profile
Click Update Info at the bottom of your cover photo
Click the section you'd like to change
Hover over the information you'd like to edit
Click Edit or Options then Edit to the right of that piece of information
Selecting an Audience
While editing each section, you might see an audience selector next to some pieces of info. Select an audience to choose who you share this info with.
If you set your gender to Custom and select one or more genders, you can also select an audience for your custom gender. In addition to your custom gender, you'll choose a Preferred Pronoun. The preferred pronoun you select is public.
Note: Your email address has additional settings.