diff --git a/Example15_BackpackWeight_IntervalAttributes.mp b/Example15_BackpackWeight_IntervalAttributes.mp
index 58ac87c342ec9a72588f7e927d31b544f5aa4bf3..24b9f0f6338a48a268a6bf7595992d6d94afaf0b 100644
--- a/Example15_BackpackWeight_IntervalAttributes.mp
+++ b/Example15_BackpackWeight_IntervalAttributes.mp
@@ -20,6 +20,9 @@ Search terms: event attribute, interval; optimization, weight; BUILD block; SAY
     There may be several instances of the same item.
 
 Instructions: Run for Scopes 1 and up.
+    Scope 1: 2 traces in less than 1 sec.
+    Scope 2: 5 traces in less than 1 sec.
+    Scope 3: 9 traces in less than 1 sec.
 
 ==========================================================*/