Fix doc typo.
diff --git a/Doc/library/tarfile.rst b/Doc/library/tarfile.rst
index 9b7071b..b56058b 100644
--- a/Doc/library/tarfile.rst
+++ b/Doc/library/tarfile.rst
@@ -101,10 +101,10 @@
+-------------+--------------------------------------------+
| ``'w|'`` | Open an uncompressed *stream* for writing. |
+-------------+--------------------------------------------+
- | ``'w|gz'`` | Open an gzip compressed *stream* for |
+ | ``'w|gz'`` | Open a gzip compressed *stream* for |
| | writing. |
+-------------+--------------------------------------------+
- | ``'w|bz2'`` | Open an bzip2 compressed *stream* for |
+ | ``'w|bz2'`` | Open a bzip2 compressed *stream* for |
| | writing. |
+-------------+--------------------------------------------+