[1.7.x] Added missing docs for 1_7.W001 check.
[1.7.x] Added missing docs for 1_7.W001 check.

Backport of 098368d82f67715723b5bd4445a8fe92a0ceae98 from master

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