need corrections for research paper endometriosis

I’m stuck on a English question and need an explanation.

Submit your revised and completed Final Research paper.

Instructions:

Before you submit your Final Research paper, be sure that you have used proper APA format throughout, as follows:

• Header
• Running Head
• Page Numbers
• Cover Page
• Abstract
• In-text and Reference Page Citations
• Appendices if necessary

Assignment Submission:

• The use of outside resources is required, and all papers must be cited and written in APA format.