Project notes often become less reliable as a task evolves. Early assumptions, abandoned ideas and current instructions can end up together, leaving readers unsure which part still applies.
Keep a clearly identified current-state section near the beginning. Record the objective, the latest decision and the next action. Date meaningful updates so readers can judge whether the information is recent enough for their purpose.
Move superseded material into a separate history section when it still explains an important choice. Remove duplicated wording that no longer adds context. The goal is not to erase the past, but to make the present easy to find.
Use concrete references. A filename, a document link or the name of the person responsible is more useful than phrases such as the latest thing or what we discussed. Explain unfamiliar abbreviations at their first use.
Review the note when a milestone changes rather than after every minor action. A concise, maintained record can become a dependable working tool; an exhaustive diary often becomes another document people must interpret before they can start.