Fix seperators

Author: StanFromIreland

Doc/library/stdtypes.rst

@@ -1662,7 +1662,7 @@ category.
 |                          |  :meth:`str.startswith`                   |  :meth:`bytes.startswith`                         |
 |                          +-------------------------------------------+---------------------------------------------------+
 |                          |  :meth:`str.endswith`                     |  :meth:`bytes.endswith`                           |
-|                          +------------------+------------------------+--------------------+------------------------------+
+|                          +-------------------------------------------+---------------------------------------------------+
 |                          |  :meth:`str.removeprefix`                 |  :meth:`bytes.removeprefix`                       |
 |                          +-------------------------------------------+---------------------------------------------------+
 |                          |  :meth:`str.removesuffix`                 |  :meth:`bytes.removesuffix`                       |