Docs: fix confusing channel-ID description on URL-rewrite interface

diff --git a/src/cf.data.pre b/src/cf.data.pre
index 66a12a09c545301596264533f9ce8eb5b9571137..75d2ef536ac4b885548c7a40209a3ca9a831451d 100644 (file)
--- a/src/cf.data.pre
+++ b/src/cf.data.pre
@@ -4286,9 +4286,8 @@ DOC_START
 
        When this directive is set to a value >= 1 then the protocol
        used to communicate with the helper is modified to include
-       a request ID in front of the request/response. The request
-       ID from the request must be echoed back with the response
-       to that request.
+       an ID in front of the request/response. The ID from the request
+       must be echoed back with the response to that request.
 DOC_END
 
 NAME: url_rewrite_host_header redirect_rewrites_host_header