DOC: configuration: clarify http-request wait-for-body

Make it more explicit what happens in the various scenarios that cause
HAProxy to stop waiting when "http-request wait-for-body" is used.

Also fix a couple of grammatical errors.

Fixes: #2410
Signed-Off-By: Thayne McCombs <astrothayne@gmail.com>
(cherry picked from commit 001bddf48c5e646466bd322817e8b4dc78c3760f)
Signed-off-by: Willy Tarreau <w@1wt.eu>
(cherry picked from commit 329935edf2c8d79ca81628510362fb12510e470b)
[wt: ctx adj]
Signed-off-by: Willy Tarreau <w@1wt.eu>
1 file changed