old_contents: #!/usr/bin/env python3
  import rospy
  
  rospy.logerr("###\n###\n###\n###\n###\nYou didn't specifiy which robot you want to start!\nPlease add minibot:=true or woflgang:=true or davros:=true behind you roslaunch.\n###\n###\n###\n###\n###")
new_contents: #!/usr/bin/env python3
  import rospy
  
  rospy.logerr("###\n###\n###\n###\n###\nYou didn't specifiy which robot you want to start!\nPlease add minibot:=true or wolfgang:=true or davros:=true behind you roslaunch.\n###\n###\n###\n###\n###")
  
subject: Fix typo