Edited ch03_bitcoin-core.adoc with Atlas code editor

ch03_bitcoin-core.adoc

@@ -999,7 +999,7 @@ with the request. Bitcoin Core will create a random password on each
 start and place it in the data directory under the name +.cookie+. The
 +bitcoin-cli+ helper can read this password file given the data
 directory. Similarly, you can copy the password and pass it to +curl+ (or
-any higher-level Bitcoin Core RPC wrappers), as seen in <<cookie_auth>>.
+any higher-level Bitcoin Core RPC wrappers), ((("Bitcoin Core", "authentication")))((("authentication", "Bitcoin Core")))as seen in <<cookie_auth>>.
 
 [[cookie_auth]]
 .Using cookie-based authentication with Bitcoin Core