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-# Bolt Cards (NXP NTAG424) Extension
+# Bolt Cards (NXP NTAG424) - <small>[LNbits](https://github.com/lnbits/lnbits) extension</small>
+<small>For more about LNBits extension check [this tutorial](https://github.com/lnbits/lnbits/wiki/LNbits-Extensions)</small>
 
 This extension allows you to link your [Bolt Card](https://github.com/boltcard) (or other compatible NXP NTAG424 DNA device) with a LNbits instance and use it in a more secure way than a static LNURLw.