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Update Roles.md #465

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2 changes: 1 addition & 1 deletion language/Roles.md
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Expand Up @@ -26,7 +26,7 @@ newtype Shown a = Shown ((Show a => a -> String) -> String)

`Coercible (Shown a) (Shown b)` does not hold, even when `Coercible a b` does.

Inferring a more permissive role would allow to coerce instances dictionnaries, which would threaten _coherence_: we could exhibit multiple type class instances with different behaviour for the same type.
Inferring a more permissive role would allow to coerce instances dictionaries, which would threaten _coherence_: we could exhibit multiple type class instances with different behaviour for the same type.

```purescript
shown :: forall a. Shown a -> String
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