doc: MultiaddrWithPeerId fixes

Author: niklaslong

src/p2p/addr.rs

@@ -82,9 +82,9 @@ impl FromStr for MultiaddrWithoutPeerId {
 /// don't support it being contained within the `Multiaddr`.
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct MultiaddrWithPeerId {
-    /// The peer without its address.
+    /// The [`Multiaddr`] without the [`Protocol::P2p`] suffix.
     pub multiaddr: MultiaddrWithoutPeerId,
-    /// The address of the peer.
+    /// The peer id from the [`Protocol::P2p`] suffix.
     pub peer_id: PeerId,
 }