diff --git a/source/ch-Expected-Value.ptx b/source/ch-Expected-Value.ptx
index 7c2f839..6880792 100644
--- a/source/ch-Expected-Value.ptx
+++ b/source/ch-Expected-Value.ptx
@@ -6,7 +6,7 @@
 
   <introduction>
     <p>
-      Testing.
+      Testing testing
     </p>
   </introduction>