Edited ch05_wallets.adoc with Atlas code editor

ch05_wallets.adoc

@@ -1366,7 +1366,7 @@ prevent compromise of the master keys.
 
 ===== Index numbers for normal and hardened derivation
 
-The index number ((("index numbers", "for hardened derivation", secondary-sortas="hardened derivation")))used in the derivation function is a 32-bit integer. To
+The index number ((("index numbers for hardened derivation")))used in the derivation function is a 32-bit integer. To
 easily distinguish between keys created through the normal derivation
 function versus keys derived through hardened derivation, this index
 number is split into two ranges. Index numbers between 0 and