DOC: Fix send rules in the http-check connect example

Method, uri and version arguments must be explicitly named.
diff --git a/doc/configuration.txt b/doc/configuration.txt
index 12582d9..df06d85 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -4472,10 +4472,10 @@
          option httpchk
 
          http-check connect
-         http-check send GET / HTTP/1.1 hdr host haproxy.1wt.eu
+         http-check send meth GET uri / ver HTTP/1.1 hdr host haproxy.1wt.eu
          http-check expect status 200-399
          http-check connect port 443 ssl sni haproxy.1wt.eu
-         http-check send GET / HTTP/1.1 hdr host haproxy.1wt.eu
+         http-check send meth GET uri / ver HTTP/1.1 hdr host haproxy.1wt.eu
          http-check expect status 200-399
 
          server www 10.0.0.1 check port 80