Update grocy/DOCS.md

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@ -211,7 +211,7 @@ Allows posting to a webhook to print labels
- `label_printer_webhook` The URI that Grocy will POST to when asked to print a label
- `label_printer_run_server` Whether the webhook will be called server- or client-side
- `label_printer_params` Additional parameters supplied to the webhook
- `` TRUE to use JSON or FALSE to use normal POST request variables
- `label_printer_hook_json`: TRUE to use JSON or FALSE to use normal POST request variables
### Option: `Thermal Printer`
@ -224,7 +224,6 @@ the printer must support the ESC/POS protocol, see https://github.com/mike42/esc
- `tprinter_ip` IP of the network printer (does only matter if it's a network printer)
- `tprinter_port` Port of the network printer (does only matter if it's a network printer)
- `tprinter_connector` Printer device (does only matter if you use a locally attached printer) For USB on Linux this is often '/dev/usb/lp0', for serial printers it could be similar to '/dev/ttyS0' Make sure that the user that runs the webserver has permissions to write to the printer - on Linux add your webserver user to the LP group with usermod -a -G lp www-data
## Known issues and limitations
- Grocy support to provide custom lookup resources to lookup information