Fix doc comment for `with_routes`
Fix the doc comment for the `with_routes` function in
`ProposedCircuitBuilder`.
@@ -443,7 +443,7 @@ impl ProposedCircuitBuilder {
///
/// # Arguments
///
- /// * `routes` - The routes type for the circuit
+ /// * `route_type` - The routes type for the circuit
pub fn with_routes(mut self, route_type: &RouteType) -> ProposedCircuitBuilder {
self.routes = Some(route_type.clone());
self
