diff --git a/preface/audience.xml b/preface/audience.xml
index b3bebb5b3..82155448c 100644
--- a/preface/audience.xml
+++ b/preface/audience.xml
@@ -6,7 +6,7 @@
 <title>Who would want to read this book</title>
 
 <para>There are many reasons why somebody would want to read this book. The 
-principle reason being to install a Linux system straight from the source 
+principal reason being to install a Linux system straight from the source 
 code. A question many people raise is "Why go through all the hassle of 
 manually building a Linux system from scratch when you can just download and 
 install an existing one?". That is a good question and is the impetus for this