Refs #36485 -- Rewrapped docs to 79 columns line length.

Lines in the docs files were manually adjusted to conform to the
79 columns limit per line (plus newline), improving readability and
consistency across the content.

docs/ref/files/file.txt

@@ -36,11 +36,11 @@ The ``File`` class
             Some subclasses of :class:`File`, including
             :class:`~django.core.files.base.ContentFile` and
             :class:`~django.db.models.fields.files.FieldFile`, may replace this
-            attribute with an object other than a Python :py:term:`file object`.
-            In these cases, this attribute may itself be a :class:`File`
-            subclass (and not necessarily the same subclass). Whenever
-            possible, use the attributes and methods of the subclass itself
-            rather than the those of the subclass's ``file`` attribute.
+            attribute with an object other than a Python :py:term:`file
+            object`. In these cases, this attribute may itself be a
+            :class:`File` subclass (and not necessarily the same subclass).
+            Whenever possible, use the attributes and methods of the subclass
+            itself rather than the those of the subclass's ``file`` attribute.
 
     .. attribute:: mode
 

docs/ref/files/uploads.txt

@@ -25,8 +25,8 @@ You'll usually use one of these methods to access the uploaded content:
 .. method:: UploadedFile.multiple_chunks(chunk_size=None)
 
     Returns ``True`` if the uploaded file is big enough to require reading in
-    multiple chunks. By default this will be any file larger than 2.5 megabytes,
-    but that's configurable; see below.
+    multiple chunks. By default this will be any file larger than 2.5
+    megabytes, but that's configurable; see below.
 
 .. method:: UploadedFile.chunks(chunk_size=None)