Update README.md

README.md

@@ -24,4 +24,6 @@ docker-compose up -d --force-recreate
 Use the following command to see the output of command_wrapper.py & the MESHTASTIC_COMMAND_X commands:
 ```
 docker exec -it mmrelaynode-app cat /home/mesh/app/command_output.txt
-```
+```
+
+Note: If you have several commands, it may take a few minutes to finish them all.