diff --git a/chapter07/introduction.xml b/chapter07/introduction.xml
index 4b0994978..f05f02515 100644
--- a/chapter07/introduction.xml
+++ b/chapter07/introduction.xml
@@ -23,7 +23,8 @@
- Second, issues that affect the proper setup of devices diescussed.
+ Second, issues that affect the proper setup of devices are
+ discussed.