docs: fix broken settings table

docs/4_configuration.rst

@@ -23,7 +23,7 @@ The following ``settings.py`` options are available for customizing Axes behavio
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 | AXES_LOCK_OUT_AT_FAILURE                             | True                                         | After the number of allowed login attempts are exceeded, should we lock out this IP (and optional user agent)?                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
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-| AXES_COOLOFF_TIME                                    | None                                         | If set, defines a period of inactivity after which  old failed login attempts will be cleared.  Can be set to a Python timedelta object, an integer, a float, a callable, or a string path to a callable which takes the request as argument.  If an integer or float, will be interpreted as a number of hours:  ``AXES_COOLOFF_TIME = 2`` 2 hours,   ``AXES_COOLOFF_TIME = 2.0`` 2 hours, 120 minutes,  ``AXES_COOLOFF_TIME = 1.7`` 1.7 hours, 102 minutes, 6120 seconds                                                                                                                                                                                                                                                                           |
+| AXES_COOLOFF_TIME                                    | None                                         | If set, defines a period of inactivity after which  old failed login attempts will be cleared.  Can be set to a Python timedelta object, an integer, a float, a callable, or a string path to a callable which takes the request as argument.  If an integer or float, will be interpreted as a number of hours:  ``AXES_COOLOFF_TIME = 2`` 2 hours,   ``AXES_COOLOFF_TIME = 2.0`` 2 hours, 120 minutes,  ``AXES_COOLOFF_TIME = 1.7`` 1.7 hours, 102 minutes, 6120 seconds                                                                                                                                                                                                                                                                |
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 | AXES_ONLY_ADMIN_SITE                                 | False                                        | If ``True``, lock is only enabled for admin site. Admin site is determined by checking request path against the path of ``"admin:index"`` view. If admin urls are not registered in current urlconf, all requests will not be locked.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
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