# HG changeset patch
# User Ruslan Ermilov <ru@nginx.com>
# Date 1323158495 0
# Node ID 46ef98b7513fc9ab23953b11c780306dbac8881f
# Parent  7f36795d99a2eab19e02c9aa17e4db7ebd95f536
Expanded on the "underscores_in_headers" relation to "ignore_invalid_headers".

diff --git a/xml/en/docs/http/ngx_http_core_module.xml b/xml/en/docs/http/ngx_http_core_module.xml
--- a/xml/en/docs/http/ngx_http_core_module.xml
+++ b/xml/en/docs/http/ngx_http_core_module.xml
@@ -2405,6 +2405,9 @@ For more information, please refer to
 
 <para>
 Enables or disables the use of underscores in client request header fields.
+When disabled, request header fields whose names contain underscores are
+marked as invalid and are subject to the <link id="ignore_invalid_headers"/>
+directive.
 </para>
 
 </directive>