A suspected typo in chapter 6

[wuzhouhui]

Hi, English speakers:
  Is this a correct and necessary patch?

Index: book/ch06-server-configuration.xml
===================================================================
--- book/ch06-server-configuration.xml	(revision 5804)
+++ book/ch06-server-configuration.xml	(working copy)
@@ -4753,7 +4753,7 @@ sally = r
 
       <para>The name of a repository as evaluated by the authorization
         subsystem is derived directly from the repository's path.
-        Exactly how this happens differs between to two server
+        Exactly how this happens differs between two server
         options. <command>mod_dav_svn</command> uses only the basename
         of the repository's root URL<footnote><para>Any human-readable
         name for a repository configured via