Need help printing QR code

Hi All ,

I am planning to generate a QR code which would link my sales order , with the below code , but it generates a QR code where if I decode only it is showing http , could anyone guide me please ?

I referred this post

<img src="http://www.barcodes4.me/barcode/qr/myfilename.png?value=192.168.1.129:8000/desk%23Form/Sales%20Order/{{ doc.name }}">

Thanks in advance

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Thanks to @spa, here us solution:

<img src="http://www.barcodes4.me/barcode/qr/qr.png?value=https://192.168.1.129:8000/desk#Form/Sales%2520Order/{{doc.name}}&amp;size=5&amp;ecclevel=2" draggable="false">