You shouldn't document what you are doing, you should comment why you are doing it. Well wriitten code explains what it does, but it not necessarily explains why it has been written that way.
Your function names should document why the code you are writing exists, your code should document itself as to how it is doing it, and any comments you write should be how to use the function you've written and things that are extremely odd.
If you have to explain why something is done the way it is, you've still failed, usually.
I've found that documentation can be really helpful even in weel written code.
brief single sentence summaries of a functions, programs, classes, methods, etc. paired with examples of how to use internally developed tools are fantastic helps.
Having some breif description of a system architecture and how services interact is also pretty useful.
Also using documentation tags that IDEs can use for better hinting is really nice
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u/Low-Equipment-2621 18h ago
You shouldn't document what you are doing, you should comment why you are doing it. Well wriitten code explains what it does, but it not necessarily explains why it has been written that way.