Grammatical tweak.  
Grammatical tweak.  

Suggested by: Andreas J. Koenig <andreas.koenig@anima.de>
              Colin Watson <cjwatson@flatline.org.uk>

* /trunk/doc/book/book/ch03.xml: Grammar fix.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@844215 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,wbond/subversion