diff --git a/ch07_authorization-authentication.adoc b/ch07_authorization-authentication.adoc
index 246efb8f..9054ef34 100644
--- a/ch07_authorization-authentication.adoc
+++ b/ch07_authorization-authentication.adoc
@@ -199,6 +199,11 @@ valid. Not only have we shown a valid transaction output script, but
 the resulting UTXO could be spent by anyone with the arithmetic skills
 to know that the number 2 satisfies the script.
 
+
+[[simplemath_script]]
+.Bitcoin's script validation doing simple math
+image::images/mbc3_0702.png["TxScriptSimpleMathExample"]
+
 [TIP]
 ====
 Transactions are valid if the
@@ -213,9 +218,6 @@ opcode).  For details, see https://oreil.ly/J2DXt[Bitcoin
 Wiki's script page].
 ====
 
-[[simplemath_script]]
-.Bitcoin's script validation doing simple math
-image::images/mbc3_0702.png["TxScriptSimpleMathExample"]
 
 The following is a slightly more complex script, which calculates
 2 + 7 – 3 + 1. Notice that when the script contains several operators in