fixes

kernel/core/channel.c

@@ -84,7 +84,7 @@ zn_status_t channel_read(struct channel* ch, struct channel_msg** msg_out) {
         return ZN_OK;
     }
 
-    // No message and peer is gone — nothing will ever arrive.
+    // No message and peer is gone.
     if (!ch->peer) {
         spin_unlock(&ch->lock);
         return ZN_ERR_BAD_HANDLE;