[5351] Checkpoint: todo servers, doc, host DB -- adding control-socket

src/bin/dhcp4/json_config_parser.cc

@@ -253,7 +253,7 @@ void configureCommandChannel() {
     // If the previous or new socket configuration doesn't exist or
     // the new configuration differs from the old configuration we
     // close the existing socket and open a new socket as appropriate.
-    // Note that closing an existing socket means the clien will not
+    // Note that closing an existing socket means the client will not
     // receive the configuration result.
     if (!sock_cfg || !current_sock_cfg || sock_changed) {
         // Close the existing socket (if any).