Update lightning-invoice/src/utils.rs

nit

Co-authored-by: Duncan Dean <[email protected]>

Author: valentinewallace

lightning-invoice/src/utils.rs

@@ -40,7 +40,7 @@ use sync::Mutex;
 ///
 /// `payment_hash` and `payment_secret` can come from [`ChannelManager::create_inbound_payment`] or
 /// [`ChannelManager::create_inbound_payment_for_hash`]. These values can be retrieved from any
-/// participating node. Alternately, [`inbound_payment::create`] or
+/// participating node. Alternatively, [`inbound_payment::create`] or
 /// [`inbound_payment::create_from_hash`] may be used to retrieve these values without a
 /// `ChannelManager`.
 ///