Is `isUnescapedInURI` written incorrectly?

`isUnescapedInURI` documentation says:

> Returns **True if the character is allowed unescaped** in a URI.

However, its implementation is:

```haskell
isUnescapedInURI c = isReserved c || isUnreserved c
```

where `isReserved` documentation says:

> Returns True if the character is a "reserved" character in a URI. To include a literal instance of one of these characters in a component of a URI, it must be escaped.

So, it seems to me that if `isReserved` returns `True`, then `isUnescapedInURI` ought to return `False.`