[MNEMONIC-538] Update the page of submit changes

• Type: Task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.13.0
• Fix Version/s: 0.13.0
• Component/s: Documentation
• Assignee: Unassigned
• Reporter: Gordon King
• Created: 16/Aug/20 22:22
• Updated: 16/Aug/20 22:53
• Resolved: 16/Aug/20 22:53

Description

The following content needs to be updated to reflect BKMs.

1) Allow multiple commits for a PR as long as each commit is completed

2) Clarify the git rebase operation only needed before create PR, once PR has been submitted, suggest to use fixup commit if necessary.