diff --git a/ChangeLog b/ChangeLog
index 9f0cf4d84f..1691ceaed5 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Sep 24 14:24:55 2016  Kazuhiro NISHIYAMA  <zn@mbf.nifty.com>
+
+	* spec/README: update URL.
+
 Sat Sep 24 11:28:22 2016  Koichi ITO  <koic.ito@gmail.com>
 
 	* fix typos, "a" before "Integer" to "an".  [Fix GH-1438]
diff --git a/spec/README b/spec/README
index 9821404697..c8d17ea427 100644
--- a/spec/README
+++ b/spec/README
@@ -1,9 +1,9 @@
 = RubySpec
 
-RubySpec (http://rubyspec.org) provides the annotation of the Ruby
-implementation in an executable format.  The make task
-`update-rubyspec' retrieves the specification and puts it into this
-directory.
+RubySpec (http://ruby.github.io/rubyspec.github.io/) provides the
+annotation of the Ruby implementation in an executable format.  The
+make task `update-rubyspec' retrieves the specification and puts it
+into this directory.
 
 == Directory structure
  spec