How do I correct this error?

[Richard Albrecht]

Got this error doing a push, Here's the error message: I have no idea how to correct this.

Pushing to https://Hawkcode@github.com/Hawkcode/MemberRenewal.git

To https://github.com/Hawkcode/MemberRenewal.git

= [up to date]      Initial -> Initial

! [rejected]        master -> master (non-fast-forward)

error: failed to push some refs to 'https://Hawkcode@github.com/Hawkcode/MemberRenewal.git'

hint: Updates were rejected because the tip of your current branch is behind

hint: its remote counterpart. Integrate the remote changes (e.g.

hint: 'git pull ...') before pushing again.

hint: See the 'Note about fast-forwards' in 'git push --help' for details.

Thanks