Don’t let your comments ramble on about the past or future.
Instead, use version control software, like git.
Your block is probably too big.
Use code for this.
Logic should appear in only one place.
Your unit tests should convey more information.
The code tells the true story.
Some things are not obvious from self-documenting code.
The code must express the intent of the programmers.
They may seem helpful, but they’re also a bad sign.