1 files changed, 4 insertions, 0 deletions
diff --git a/lib/uri/https.rb b/lib/uri/https.rb
index 78e5b9af12..9761636304 100644
--- a/lib/uri/https.rb
+++ b/lib/uri/https.rb
@@ -9,6 +9,10 @@
 require 'uri/http'
 
 module URI
+
+  # The default port for HTTPS URIs is 443, and the scheme is 'https:' rather
+  # than 'http:'. Other than that, HTTPS URIs are identical to HTTP URIs;
+  # see URI::HTTP.
   class HTTPS < HTTP
     DEFAULT_PORT = 443
   end