various typos in comments

Author: SurfingNerd

crates/ethcore/sync/src/chain/propagator.rs

@@ -385,7 +385,7 @@ impl ChainSync {
         let peers = self.get_consensus_peers();
         trace!(target: "sync", "Sending proposed blocks to {:?}", peers);
         for block in proposed {
-            // todo: sometimes we get at the receiving end blocks, with missmatching total difficulty,
+            // todo: sometimes we get at the receiving end blocks, with mismatching total difficulty,
             // so we ignore those blocks on import.
             // might that be the case if we are sending more than 1 block here ?
             // more about: https://github.com/DMDcoin/diamond-node/issues/61

crates/net/network-devp2p/src/session_container.rs

@@ -141,7 +141,7 @@ impl SessionContainer {
                                 // maybe the old session is already scheduled for getting deleted.
                                 session.expired()
                             } else {
-                                error!(target: "network", "host cache inconsistency: Session node id missmatch. expected: {} is {}.", existing_peer_id, id_from_session);
+                                error!(target: "network", "host cache inconsistency: Session node id mismatch. expected: {} is {}.", existing_peer_id, id_from_session);
                                 return Err(ErrorKind::HostCacheInconsistency.into());
                             }
                         } else {
@@ -167,9 +167,9 @@ impl SessionContainer {
                                         expired_session.push(old);
                                     }
                                     None => {
-                                        // we have a cache missmatch.
+                                        // we have a cache mismatch.
                                         // but the only thing is missing is a clean ending of the old session.
-                                        // nothing mission critical.
+                                        // nothing mission-critical.
                                         error!(target: "network", "host cache inconsistency: Session for node id {} was not found in sessions map, but it should be there.", node_id);
                                     }
                                 }

crates/net/network/src/error.rs

@@ -172,10 +172,10 @@ error_chain! {
             display("The hardcoded maximum number of connections has been reached on this host."),
         }
 
-        #[doc = "A connection to the specified NodeId exists, but there is a missmatch in the host cache."]
+        #[doc = "A connection to the specified NodeId exists, but there is a mismatch in the host cache."]
         HostCacheInconsistency {
             description("A connection to the specified nodeId already exists."),
-            display("A connection to the specified NodeId exists, but there is a missmatch in the host cache."),
+            display("A connection to the specified NodeId exists, but there is a mismatch in the host cache."),
         }
 
         #[doc = "An unknown IO error occurred."]