diff --git a/appdx-bx.asciidoc b/appdx-bx.asciidoc
index 2ce9d6a6..de789b69 100644
--- a/appdx-bx.asciidoc
+++ b/appdx-bx.asciidoc
@@ -1,9 +1,9 @@
 [[appdx_bx]]
 [appendix]
 
-== Bitcoin Explorer (bx) Commands((("Bitcoin Explorer (bx) commands", id="BX19", range="startofrange")))
+== Bitcoin Explorer (bx) Commands
 
-Bitcoin Explorer (bx) is a command-line tool that offers a variety of commands for key management and transaction construction. It is part of the libbitcoin bitcoin library. 
+((("Bitcoin Explorer (bx) commands", id="BX19_1", range="startofrange")))Bitcoin Explorer (bx) is a command-line tool that offers a variety of commands for key management and transaction construction. It is part of the libbitcoin bitcoin library. 
 
 ----
 Usage: bx COMMAND [--help]
@@ -178,4 +178,4 @@ $ bx mnemonic-decode < words
 eb68ee9f3df6bd4441a9feadec179ff1
 ----
 
-Mnemonic encoding can make the seed easier to record and even remember.(((range="endofrange", startref="BX19")))
+Mnemonic encoding can make the seed easier to record and even remember.(((range="endofrange", startref="BX19_1")))