Fix QR code and tweak financial contributor language

Author: ChristopherA

manuscript/0-sponsors.md

@@ -4,7 +4,7 @@ The mission of the Blockchain Commons is to support blockchain infrastructure an
 
 Our mission is funded by people like you: your personal or corporate patronage can help the Commons to accomplish its goals. Together, we can expand and improve the blockchain infrastructure that's used by our entire industry, and with your gift, we can remain independent while doing so. 
 
-The following parties have contributed to this project in order to make it freely available to the public. If you're interested in sponsoring this or other Blockchain Commons projects, contact [ChristopherA](mailto:ChristopherA@blockchaincommons.com). You can also make a one-time contribution via our [Support #SmartCustody Book Crowdfunding](https://btcpay.blockchaincommons.com/apps/r6JPAMd5pUed6x4iQChstkkUx3q/crowdfund) page.
+The following parties have contributed to this project in order to make it freely available to the public and to support continued updates as technology changes. If you're interested in sponsoring this or other Blockchain Commons projects, contact [ChristopherA](mailto:ChristopherA@blockchaincommons.com). You can also make a one-time contribution via our [Support #SmartCustody Book Crowdfunding](https://btcpay.blockchaincommons.com/apps/r6JPAMd5pUed6x4iQChstkkUx3q/crowdfund) page.
 
 ### Sustaining Patrons
 
@@ -81,7 +81,7 @@ In-kind sponsors have provided material such as books or hardware devices that w
 
 ### Other Financial Contributors
 
-Thanks to the following who have offered financial contributions to the #SmartCustody project in order to keep this book free-to-the-public and to support continued updates as technology changes.
+Thanks to the following who have offered financial contributions to the #SmartCustody project in order to make it freely available to the public and to support continued updates as technology changes.
 
 - **Anonymous (x3)**
 - **Gabriele Domenichini**
@@ -92,4 +92,4 @@ If you would like to support this project and be added to this list of financial
 
 {float: center}
 
-![](resources/Support_SmartCustody_Book_BTCPay.jpeg)
+![](resources/Support_SmartCustody_Book_BTCPay.jpg)

manuscript/99-links.md

@@ -6,7 +6,7 @@
 The Blockchain Commons is dedicated to "Supporting Blockchain Infrastructure, Internet Security & Cryptographic Research". #SmartCustody is a Blockchain Commons project.
 
 ### Blockcain Commons BTCPay
-[https://btcpay.blockchaincommons.com/apps/r6JPAMd5pUed6x4iQChstkkUx3q/crowdfund](https://btcpay.blockchaincommons.com/apps/r6JPAMd5pUed6x4iQChstkkUx3q/crowdfund)
+[https://btcpay.blockchaincommons.com/](https://btcpay.blockchaincommons.com/)
 
 To support the project, you can make one-time BTC contributions via our BTCPay server.
 
@@ -20,7 +20,13 @@ The #SmartCustody project is focused on "The use of advanced cryptographic tools
 
 The entire #SmartCustody book is available in a Github repo. Feel free to make Pull Requests or post issues to help us keep improving it.
 
+### #SmartCustody BTCPay
+
+[https://btcpay.blockchaincommons.com/apps/r6JPAMd5pUed6x4iQChstkkUx3q/crowdfund](https://btcpay.blockchaincommons.com/apps/r6JPAMd5pUed6x4iQChstkkUx3q/crowdfund)
+
+To support keeping this book freely available to the public and to support continued updates as technology changesm you can make one-time BTC contributions via our BTCPay server.
+
 ### The #SmartCustody Email List
 [https://tinyletter.com/SmartCustody](https://tinyletter.com/SmartCustody)
 
-Sign up to receive occasional announcements about #SmartCustody workshops and new documents.
+Sign up to receive occasional announcements about new and updated documents and #SmartCustody workshops and events.