[1.7.x] Fixed #24644 -- Added HTTP_ACCEPT to example headers list.
[1.7.x] Fixed #24644 -- Added HTTP_ACCEPT to example headers list.

Backport of 62261ddd0f2d5f2e6bcce013f2913cdb1b1f0be0 from master

jyotsna1820/django,oscaro/django,oscaro/django,jyotsna1820/django,jyotsna1820/django,oscaro/django,jyotsna1820/django,oscaro/django