understand_cv documentation spelling updates

[Turtle24]

I updated the understand_cv documents grammar and spelling a bit. This is for #43 and I'll slowly go over all the documentation because I want to better understand the package and work on the inner workings eventually.

[codecov[bot]]

Codecov Report

Merging #57 (0163439) into master (123b1bd) will not change coverage. The diff coverage is n/a.

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  Coverage   100.00%   100.00%           
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  Files           19        19           
  Lines          720       720           
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  Hits           720       720           

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[Turtle24]

Ey thanks! This is really useful, I see a lot of typos I missed and a better redaction.

I just have a comment on the change from "and search problems" to "and search of problems" in the line 25. I think it should remain the same.

What I want to tell, is that there is a subset of problems in optimization, that are called "search problems", see for example this page

Let me know what you think, and if you are agree, let's change that line before merging, thanks!

Ok awesome, I updated it. Yeah you're right, I missed the context so I get what you're saying 👍🏽

[rodrigo-arenas]

Great, this is looking good! Thanks again