diff --git a/dfall_ws/src/dfall_pkg/launch/Config.sh b/dfall_ws/src/dfall_pkg/launch/Config.sh
index fcd2c5ea00d30d57632f7bbf60b9ac336d4470fd..09a949b83de3942334dc4d28a114600006255a82 100755
--- a/dfall_ws/src/dfall_pkg/launch/Config.sh
+++ b/dfall_ws/src/dfall_pkg/launch/Config.sh
@@ -3,9 +3,9 @@
 # TO RUN THE SYSTEM AS AN AGENT ON A DEFAULT CONFIGURATION OF THE NETWROK:
 export ROS_MASTER_URI=http://dfallmaster:11311
 # TO RUN THE SYSTEM AS A ROS-MASTER ON A DEFAULT CONFIGURATION OF THE NETWROK:
-#export ROS_HOSTNAME=teacher
+#export ROS_HOSTNAME=dfallmaster
 # OTHER NECESSARY ENVIRONMENT VARIABLES:
 export ROS_IP=$(hostname -I | awk '{print $1;}')
 export DFALL_DEFAULT_AGENT_ID=$(cat /etc/dfall_default_agent_id)
 export DFALL_DEFAULT_COORD_ID=$(cat /etc/dfall_default_coord_id)
-export ROS_NAMESPACE='dfall'
\ No newline at end of file
+export ROS_NAMESPACE='dfall'