diff --git a/docs/ref/request-response.txt b/docs/ref/request-response.txt
index 61ed312..b3d0f76 100644
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Methods
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359 | 359 | If a response varies on whether or not it's requested via AJAX and you are |
360 | 360 | using some form of caching like Django's :mod:`cache middleware |
361 | 361 | <django.middleware.cache>`, you should decorate the view with |
362 | | :func:`vary_on_headers('HTTP_X_REQUESTED_WITH') |
| 362 | :func:`vary_on_headers('X-Requested-With') |
363 | 363 | <django.views.decorators.vary.vary_on_headers>` so that the responses are |
364 | 364 | properly cached. |
365 | 365 | |