DOC: add a mention about the limited chunk size
We now indicate that PD flags can be returned for chunk sizes >= 2GB.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 87de595..4bb2572 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -11448,7 +11448,8 @@
PD The proxy blocked an incorrectly formatted chunked encoded message in
a request or a response, after the server has emitted its headers. In
most cases, this will indicate an invalid message from the server to
- the client.
+ the client. Haproxy supports chunk sizes of up to 2GB - 1 (2147483647
+ bytes). Any larger size will be considered as an error.
PH The proxy blocked the server's response, because it was invalid,
incomplete, dangerous (cache control), or matched a security filter.