[3.0.x] Refs #6657 -- Corrected HttpResponse.set_cookie()/set_signed_…

…cookie() signatures in docs.

Backport of 15c5875 from master

docs/ref/request-response.txt

@@ -805,7 +805,7 @@ Methods
 
     Sets a header unless it has already been set.
 
-.. method:: HttpResponse.set_cookie(key, value='', max_age=None, expires=None, path='/', domain=None, secure=None, httponly=False, samesite=None)
+.. method:: HttpResponse.set_cookie(key, value='', max_age=None, expires=None, path='/', domain=None, secure=False, httponly=False, samesite=None)
 
     Sets a cookie. The parameters are the same as in the
     :class:`~http.cookies.Morsel` cookie object in the Python standard library.
@@ -844,7 +844,7 @@ Methods
         attempt to store a cookie of more than 4096 bytes, but many browsers
         will not set the cookie correctly.
 
-.. method:: HttpResponse.set_signed_cookie(key, value, salt='', max_age=None, expires=None, path='/', domain=None, secure=None, httponly=False, samesite=None)
+.. method:: HttpResponse.set_signed_cookie(key, value, salt='', max_age=None, expires=None, path='/', domain=None, secure=False, httponly=False, samesite=None)
 
     Like :meth:`~HttpResponse.set_cookie()`, but
     :doc:`cryptographic signing </topics/signing>` the cookie before setting