diff --git a/ChangeLog b/ChangeLog
index 45c9e3ab00..b54a82a912 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sun Nov  6 18:18:25 2016  SHIBATA Hiroshi  <hsbt@ruby-lang.org>
+
+	* NEWS: Added entry for r56624.
+
 Sun Nov  6 15:53:03 2016  Shugo Maeda  <shugo@ruby-lang.org>
 
 	* configure.in (-Wno-maybe-uninitialized): gcc 6 also shows the same
diff --git a/NEWS b/NEWS
index 47c1539079..55ae071139 100644
--- a/NEWS
+++ b/NEWS
@@ -186,6 +186,10 @@ with all sufficient information, see the ChangeLog file or Redmine
   * IPAddr#== and IPAddr#<=> no longer raise an exception if coercion fails.
     [Bug #12799]
 
+* IRB
+
+  * Binding#irb: Start a REPL session like `binding.pry` at r56624.
+
 * Logger
 
 	* Allow specifying logger parameters in constructor such