Updated readme

README.md

@@ -125,4 +125,4 @@ The RNode Ecosystem is free and non-proprietary, and actively seeks to distribut
 
 If you distribute or modify this work, you **must** adhere to the terms of the GPLv3, including, but not limited to, providing up-to-date source code upon distribution, displaying appropriate copyright and license notices in prominent positions of all conveyed works, and making users aware of their rights to the software under the GPLv3.
 
-In practice, this means that you can use the firmware commercially, but you must understand your obligation to provide all future users of the system with the same rights, that you have been provided by the GPLv3. If you intend using the RNode Firmware commercially, it is worth reading [this page]({ASSET_PATH}sell_rnodes.html).
+In practice, this means that you can use the firmware commercially, but you must understand your obligation to provide all future users of the system with the same rights, that you have been provided by the GPLv3. If you intend using the RNode Firmware commercially, it is worth reading [this page](https://unsigned.io/sell_rnodes.html).