correct an error log message

src/http/ngx_http_request.c

diff --git a/src/http/ngx_http_request.c b/src/http/ngx_http_request.c
index 88a0d09..74ca4b8 100644
--- a/src/http/ngx_http_request.c
+++ b/src/http/ngx_http_request.c
@@ -977,7 +977,7 @@
 
     if (n == 0 || n == NGX_ERROR) {
         c->error = 1;
-        c->log->action = "sending response to client";
+        c->log->action = "reading client request headers";
 
         ngx_http_finalize_request(r, NGX_HTTP_BAD_REQUEST);
         return NGX_ERROR;