Update to https for secure connection to rubygems.org.

JuanitoFatas · JuanitoFatas · commit 370e01c4afa7 · 2013-08-01T18:07:25.000+08:00
diff --git a/README.md b/README.md
@@ -17,7 +17,7 @@ APIs.
 
 ## Install
 
-Be sure `http://rubygems.org/` is in your gem sources.
+Be sure `https://rubygems.org/` is in your gem sources.
 
 For normal client usage, this is sufficient:
 
