Normalized spelling of ETag.

docs/ref/middleware.txt

@@ -472,7 +472,7 @@ Here are some hints about the ordering of various Django middleware classes:
 
 #. :class:`~django.middleware.http.ConditionalGetMiddleware`
 
-   Before ``CommonMiddleware``: uses its ``Etag`` header when
+   Before ``CommonMiddleware``: uses its ``ETag`` header when
    :setting:`USE_ETAGS` = ``True``.
 
 #. :class:`~django.contrib.sessions.middleware.SessionMiddleware`

docs/ref/settings.txt

@@ -2527,7 +2527,7 @@ to ensure your processes are running in the correct environment.
 
 Default: ``False``
 
-A boolean that specifies whether to output the "Etag" header. This saves
+A boolean that specifies whether to output the ``ETag`` header. This saves
 bandwidth but slows down performance. This is used by the ``CommonMiddleware``
 (see :doc:`/topics/http/middleware`) and in the``Cache Framework``
 (see :doc:`/topics/cache`).

docs/spelling_wordlist

@@ -239,7 +239,6 @@ environ
 escapejs
 esque
 Ess
-Etag
 ETag
 ETags
 exe

docs/topics/conditional-view-processing.txt

@@ -64,7 +64,7 @@ order, as the view function they are helping to wrap. The function passed
 ``last_modified_func`` should return a standard datetime value specifying the
 last time the resource was modified, or ``None`` if the resource doesn't
 exist. The function passed to the ``etag`` decorator should return a string
-representing the `Etag`_ for the resource, or ``None`` if it doesn't exist.
+representing the `ETag`_ for the resource, or ``None`` if it doesn't exist.
 
 Using this feature usefully is probably best explained with an example.
 Suppose you have this pair of models, representing a simple blog system::