Update fw_kobraOS.md

docs/firmware/fw_kobraOS.md

@@ -995,12 +995,13 @@ I'll list the solutions I'm aware of in the following - if you came across furth
 
 **Thanks to everyone who took the time and effort to make this happen!**
 
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+!!! warning "Backup The Stock Settings And Be Careful About Changing Settings!"  
 
-#### Changing Settings 
-Due to the work of [daksimpson](https://klipper.discourse.group/u/daksimpson) it's possible to change settings in the abovementioned files `printer.cfg` and `unmodifiable.cfg`.  
-For this, no root access is necessary.  
-Please read [this post in the Klipper discourse group](https://klipper.discourse.group/t/printer-cfg-for-anycubic-kobra-2-plus-pro-max/11658/107) for further instructions!
+    Even though this should be a no-brainer, make a backup of the stock settings before attempting to change anything!  
+    Besides, be very careful when changing any settings - changing the wrong settings could do harm and might result in a non-booting device!  
+    If you don't know what you're doing, don't play around!  
+    Don't assume the tools listed in the following are foolproof!   
+    Read the Klipper documentation attentively to understand the settings and if in doubt, better don't change anything!
 
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@@ -1012,6 +1013,17 @@ Please read the according descriptions at the repository about what can be done.
 
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+#### Changing Settings 
+Due to the work of [daksimpson](https://klipper.discourse.group/u/daksimpson) it's possible to change settings in the abovementioned files `printer.cfg` and `unmodifiable.cfg`.  
+For this, no root access is necessary.  
+
+**Warning:**  
+**This way of changing settings in the `printer.cfg` still seems to work, but you have to know what you're doing! This solution is not foolproof at all! Changing the wrong setting can leave you with a bricked unit!**  
+
+Please read [this post in the Klipper discourse group](https://klipper.discourse.group/t/printer-cfg-for-anycubic-kobra-2-plus-pro-max/11658/107) for further instructions!  
+
+---
+
 #### Custom Webserver
 
 Tools and code which is needed to build a custom webserver: [Anycubic Kobra 2 Custom Webserver](https://github.com/AGG2017/ACK2-Webserver) by [AGG2017](https://github.com/AGG2017)