Use standard comma punctuation; reword some sentences in the docs
diff --git a/Lib/distutils/command/check.py b/Lib/distutils/command/check.py
index 7d56dfc..bc29baa 100644
--- a/Lib/distutils/command/check.py
+++ b/Lib/distutils/command/check.py
@@ -91,7 +91,7 @@
missing.append(attr)
if missing:
- self.warn("missing required meta-data: %s" % ' ,'.join(missing))
+ self.warn("missing required meta-data: %s" % ', '.join(missing))
if metadata.author:
if not metadata.author_email:
self.warn("missing meta-data: if 'author' supplied, " +