diff --git a/lib/net/http.rb b/lib/net/http.rb
index 3571db1e19..1112d211c6 100644
--- a/lib/net/http.rb
+++ b/lib/net/http.rb
@@ -443,6 +443,10 @@ module Net   #:nodoc:
       BufferedIO
     end
 
+    # call-seq:
+    #   HTTP.start(address, port, p_addr, p_port, p_user, p_pass, &block)
+    #   HTTP.start(address, port=nil, p_addr=nil, p_port=nil, p_user=nil, p_pass=nil, opt, &block)
+    #
     # creates a new Net::HTTP object and opens its TCP connection and
     # HTTP session.
     #