.. function:: newer_group(sources, target[, missing='error'])
Return true if *target* is out-of-date with respect to any file listed in
- *sources* In other words, if *target* exists and is newer than every file in
+ *sources*. In other words, if *target* exists and is newer than every file in
*sources*, return false; otherwise return true. *missing* controls what we do
when a source file is missing; the default (``'error'``) is to blow up with an
:exc:`OSError` from inside :func:`os.stat`; if it is ``'ignore'``, we silently