I've posted the question and the answer below to share my thoughts and get community feedback on the action taken.
While there is nothing wrong as such with the edit (it did fix a minor issue in the post) it's worthwhile to keep the following in mind:
There are significantly bigger issues with this post than the misspelling of the name of OSX 10.11. As ...
The literal instructions are to only edit a post that needs improvement so trivial edits are therefore not in keeping in the model for here.
Edits are expected to be substantial and to leave the post better than you found it. Common reasons for edits include:
To fix grammar and spelling mistakes
From looking at the links you've provided most of them are the usual set of rather low-quality answers in terms of problem analysis and reproducibility of the solution (basically they tried this and that and finally it worked again). Also most of the users posting the answer haven't revisited the site since, which means we probably should focus on improving ...
If you're talking about minor edits like this one, that's status-bydesign. You're only notified of substantial edits; which edits are substantial is not completely defined:
There are a few rules in how "substantive" is defined, but typically one of the following should be enough to trigger a message:
edit to a question title
the edit in the post ...
As the question is off-topic anyway there is no need to even try to format it correctly :-) But if it would have been on-topic I would expect
the code part to be pre-formatted with line breaks and then just formatted as code
the data dumps to be pre-formatted with one attribute per line and again formatted as code
But overall it's question which even on SO ...