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I actually read through that section on Wikipedia, but it didn't click then for some reason. Thank you, I see the difference now and understand that the sectors were not remapped because it can't read them at all, and cannot remap the original data, thus it is "uncorrectable".
– ZeroKnight
Commented Dec 29, 2013 at 6:42

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Correct minor typos or mistakes
Clarify meaning without changing it
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create code fences with backticks ` or tildes ~
```
like so
```
add language identifier to highlight code
```python
def function(foo):
print(foo)
```
put returns between paragraphs
for linebreak add 2 spaces at end
_italic_ or **bold**
indent code by 4 spaces
backtick escapes `like _so_`
quote by placing > at start of line
to make links (use https whenever possible)
<https://example.com>
[example](https://example.com)
<a href="https://example.com">example</a>

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