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Merge pull request #1212 from Tostapunk/fix/errors-patch1 

fix: Fix typo in errors5 hint
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@ -627,7 +627,7 @@ propagated using `?` operators. How do we declare a return type from `main()` th
Under the hood, the `?` operator calls `From::from` on the error value to convert it to a boxed
trait object, a `Box<dyn error::Error>`. This boxed trait object is polymorphic, and since all
errors implement the `error:Error` trait, we can capture lots of different errors in one "Box"
errors implement the `error::Error` trait, we can capture lots of different errors in one "Box"
object.
Check out this section of the book: