fix echo message

bin/install_handlers.sh

@@ -25,7 +25,7 @@ systemctl daemon-reload
 echo_success "Reloaded systemd daemon"
 
 for service in "${handlers[@]}"; do
-  echo "Enabling open_handler@${service}.service"
+  echo "Enabling handler@${service}.service"
   systemctl enable handler@"${service}".service
 done