Index: en_US.ISO8859-1/books/developers-handbook/introduction/chapter.xml
===================================================================
--- en_US.ISO8859-1/books/developers-handbook/introduction/chapter.xml
+++ en_US.ISO8859-1/books/developers-handbook/introduction/chapter.xml
@@ -199,6 +199,11 @@
 	    </row>
 
 	    <row>
+	      <entry><filename>tests/</filename></entry>
+	      <entry>The &os; test suite</entry>
+	    </row>
+
+	    <row>
 	      <entry><filename>tools/</filename></entry>
 	      <entry>Tools used for maintenance and testing of
 		FreeBSD</entry>