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2 changes: 1 addition & 1 deletion _tour/variances.md
Original file line number Diff line number Diff line change
Expand Up @@ -116,7 +116,7 @@ We've seen we can accomplish covariance by making sure that we can't put somethi

We say that `Serializer` is *contravariant* in `A`, and this is indicated by the `-` before the `A`. A more general serializer is a subtype of a more specific serializer.

More formally, that gives us the reverse relationship: given some `class Contra[-T]`, then if `A` is a subtype of `B`, `Cov[B]` is a subtype of `Cov[A]`.
More formally, that gives us the reverse relationship: given some `class Contra[-T]`, then if `A` is a subtype of `B`, `Contra[B]` is a subtype of `Contra[A]`.

### Comparison With Other Languages

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