chore(protocols): fix some typos in comment (#5665)

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fix some typos in comment



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## Change checklist

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Signed-off-by: wangjingcun <[email protected]>

protocols/autonat/src/v2.rs

@@ -10,7 +10,7 @@
 //!     server then the dial back puts on the client, thus making the protocol unatractive for an
 //!     attacker.
 //!
-//! The protocol is seperated into two parts:
+//! The protocol is separated into two parts:
 //! - The client part, which is implemented in the `client` module. (The client is the party that
 //!     wants to check if it is reachable from the outside.)
 //! - The server part, which is implemented in the `server` module. (The server is the party

protocols/identify/src/behaviour.rs

@@ -360,7 +360,7 @@ impl Behaviour {
         }
 
         // outgoing connection dialed with port reuse
-        // incomming connection
+        // incoming connection
         self.events
             .push_back(ToSwarm::NewExternalAddrCandidate(observed.clone()));
     }