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2 changes: 1 addition & 1 deletion docs/index.rst
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Expand Up @@ -21,7 +21,7 @@ Add ``django_select`` to your URL root configuration:
# … other patterns
]

Finally make sure you have a persistent cache backend setup (NOT
While not strictly necessary for django-select to work, for performance reasons it is highly recommended to setup a persistent cache backend (NOT
:class:`.DummyCache` or :class:`.LocMemCache`), we will use Redis in this
example. Make sure you have a Redis server up and running::

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