lib/sendgrid_ruby/email.rb in sendgrid_ruby-0.0.1 vs lib/sendgrid_ruby/email.rb in sendgrid_ruby-0.0.3

@@ -282,10 +282,10 @@
 
     def to_web_format()
       web = {
         'to'          => @to,
         'from'        => get_from,
-        'x-smtpapi'   => @smtpapi.json_string,
+        'x-smtpapi'   => @smtpapi.to_json,
         'subject'     => @subject,
         'text'        => @text,
         'html'        => @html,
         'headers'     => get_headers_json,
       }