diff --git a/ch03_bitcoin-core.adoc b/ch03_bitcoin-core.adoc
index 05cd7fa0..8757063f 100644
--- a/ch03_bitcoin-core.adoc
+++ b/ch03_bitcoin-core.adoc
@@ -641,7 +641,7 @@ a _README.md_ file showing which system uses ((("Bitcoin Core", "nodes", "config
 === Bitcoin Core API
 
 Bitcoin Core
-implements((("Bitcoin Core", "command-line interface", id="bitcoin-core-command")))((("command-line interface (Bitcoin Core)", id="command")))((("RPC commands", see="command-line interface (Bitcoin Core)")))((("API", see="command-line interface (Bitcoin Core)"))) a JSON-RPC interface that can also be accessed using
+implements((("Bitcoin Core", "command-line interface", "help command", id="bitcoin-core-command-help")))((("command-line interface (Bitcoin Core)", "help command", id="command-help")))((("help command (Bitcoin Core)", id="help")))((("RPC commands", see="command-line interface (Bitcoin Core)")))((("API", see="command-line interface (Bitcoin Core)"))) a JSON-RPC interface that can also be accessed using
 the command-line helper +bitcoin-cli+. The command line allows us to
 experiment interactively with the capabilities that are also available
 programmatically via the API. To start, invoke the +help+ command to see a list of
@@ -702,7 +702,7 @@ running, is accepting commands, and has information about block 1,000 to
 return to you.
 
 In the next sections we will demonstrate some very useful RPC commands
-and their expected output.
+and their expected ((("Bitcoin Core", "command-line interface", "help command", startref="bitcoin-core-command-help")))((("command-line interface (Bitcoin Core)", "help command", startref="command-help")))((("help command (Bitcoin Core)", startref="help")))output.
 
 ==== Getting Information on Bitcoin Core's Status