diff --git a/src/index102.mbx b/src/index102.mbx
index 980daa5..0f737dd 100644
--- a/src/index102.mbx
+++ b/src/index102.mbx
@@ -45,7 +45,7 @@
 <xi:include href="./set1C-Graphs_of_Functions.mbx" />
 </chapter>
 <chapter xml:id="chapter-2-equations-intervals-inequalities">
-    <title>Linear Functions, Simultaneous Equations, and Applications</title>
+    <title>Boo Linear Functions, Simultaneous Equations, and Applications</title>
 <xi:include href="./set2A-Linear_Functions.mbx" />
 <xi:include href="./set2B-Simultaneous_Equations.mbx" />
 <xi:include href="./set2C-Applications_102.mbx" />