From 0c73021b25c35fc2a8fd93cda991b297553c6ff4 Mon Sep 17 00:00:00 2001
From: Ilya Averyanov <av@fun-box.ru>
Date: Thu, 8 Aug 2019 16:38:07 +0300
Subject: [PATCH] Added hint about specifying body size for requests with
 Enumerable as a body

---
 lib/http/request/body.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/http/request/body.rb b/lib/http/request/body.rb
index 14af30b8..e9ca9a65 100644
--- a/lib/http/request/body.rb
+++ b/lib/http/request/body.rb
@@ -24,7 +24,7 @@ def size
         elsif @source.nil?
           0
         else
-          raise RequestError, "cannot determine size of body: #{@source.inspect}"
+          raise RequestError, "cannot determine size of body: #{@source.inspect}, please set body size with `Content-Length` header explicitly"
         end
       end