Index: ch02.xml
===================================================================
--- ch02.xml	(revision 11882)
+++ ch02.xml	(working copy)
@@ -605,7 +605,7 @@
 
           <listitem><para>The file is unchanged in the working
           directory, and no changes to that file have been committed
-          to the repository since its working revision.  A
+          to the repository since its working revision.  An
           <command>svn commit</command> of the file will do nothing,
           and an <command>svn update</command> of the file will do
           nothing. </para></listitem>