Fix some XML errors.

docs/lcdproc-user/configuration.docbook

@@ -33,8 +33,8 @@ has a section which defines how the driver acts. Those sections start with
 [drivername].
 </para>
 <para>
-<anchor id="which-driver">The drivers are activated by specifiying them in a driver= line in the
-server section, like:</anchor>
+<anchor id="which-driver" />The drivers are activated by specifiying them in a driver= line in the
+server section, like:
 </para>
 
 <example>