s/buildout.py/bootstrap.py

git-svn-id: http://svn.zope.org/repos/main/zc.buildout/trunk@103349 62d5b8a3-27da-0310-9561-8e5933582275

README.txt

@@ -123,7 +123,7 @@ then use to run the tests.
 This is probably the most common type of buildout.
 
 If I need to run a previous version of zc.buildout, I use the
-`--version` option of the buildout.py script::
+`--version` option of the bootstrap.py script::
 
     $ python bootstrap.py --version 1.1.3