diff --git a/ch05.asciidoc b/ch05.asciidoc
index aab4cf4e..f520d959 100644
--- a/ch05.asciidoc
+++ b/ch05.asciidoc
@@ -418,7 +418,7 @@ To export the xpub, Gabriel uses the web-based software in conjunction with the
 .Exporting an xpub from a Trezor hardware wallet
 image::images/mbc2_0512.png["Exporting the xpub from the Trezor"]
 
-Gabriel copies the xpub to his web store's bitcoin shop software. He uses _Mycelium Gear_, which is an open source web-store plugin for a variety of web hosting and content platforms. Mycelium Gear uses the xpub to generate a unique address for every purchase. ((("", startref="gabrielfivetwo")))
+Gabriel copies the xpub to his web store's bitcoin shop software. He uses _BTCPay Server_, which is an open source web-store for a variety of web hosting and content platforms. BTCPay Server uses the xpub to generate a unique address for every purchase. ((("", startref="gabrielfivetwo")))
 
 ===== Hardened child key derivation