Fix spelling (inital), grammar (may translates) in documentation, comments
diff --git a/Lib/gzip.py b/Lib/gzip.py
index 3a2b322..da4479e 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -133,7 +133,7 @@
a file object.
When fileobj is not None, the filename argument is only used to be
- included in the gzip file header, which may includes the original
+ included in the gzip file header, which may include the original
filename of the uncompressed file. It defaults to the filename of
fileobj, if discernible; otherwise, it defaults to the empty string,
and in this case the original filename is not included in the header.