diff --git a/chapters/authorization-authentication.adoc b/chapters/authorization-authentication.adoc
index f1257a7f..eabe6d06 100644
--- a/chapters/authorization-authentication.adoc
+++ b/chapters/authorization-authentication.adoc
@@ -1954,7 +1954,7 @@ people (or it could be created in a special way to make it impossible to
 generate a signature for it).  That means we can satisfy the contract
 either with a single signature from all interested parties or by
 revealing the MAST branch we want to use.  That commitment tree
-involving both a public key and a MAST is shown in <<diagram_taproot>>.
+involving both a public key and a MAST is shown in <<diagram_taproot1>>.
 
 [[diagram_taproot1]]
 .A taproot with the public key committing to a merkle root