promising that the Distutils will find a file :file:`foo/__init__.py` (which
might be spelled differently on your system, but you get the idea) relative to
the directory where your setup script lives. If you break this promise, the
-Distutils will issue a warning but still process the broken package anyway
+Distutils will issue a warning but still process the broken package anyway.
If you use a different convention to lay out your source directory, that's no
problem: you just have to supply the :option:`package_dir` option to tell the