diff --git a/ChangeLog b/ChangeLog
index 41034b23b4..6b17c22666 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sun Feb 16 00:57:13 2014  Ayumu AIZAWA  <ayumu.aizawa@gmail.com>
+
+	* variable.c: [DOC] adding extra example in docs.
+	  patched by Steve Klabnik. [Bug #9210]
+
 Sun Feb 16 00:54:50 2014  Tanaka Akira  <akr@fsij.org>
 
 	* lib/resolv.rb (Resolv::DNS::Resource::TXT#data): Return concatenated
diff --git a/variable.c b/variable.c
index 080cf39e00..79e00bef79 100644
--- a/variable.c
+++ b/variable.c
@@ -2500,8 +2500,9 @@ cvar_list(void *data)
  *     class Two < One
  *       @@var2 = 2
  *     end
- *     One.class_variables   #=> [:@@var1]
- *     Two.class_variables   #=> [:@@var2, :@@var1]
+ *     One.class_variables          #=> [:@@var1]
+ *     Two.class_variables          #=> [:@@var2, :@@var1]
+ *     Two.class_variables(false)   #=> [:@@var2]
  */
 
 VALUE
diff --git a/version.h b/version.h
index cf15725839..560debc238 100644
--- a/version.h
+++ b/version.h
@@ -1,6 +1,6 @@
 #define RUBY_VERSION "2.0.0"
 #define RUBY_RELEASE_DATE "2014-02-16"
-#define RUBY_PATCHLEVEL 418
+#define RUBY_PATCHLEVEL 419
 
 #define RUBY_RELEASE_YEAR 2014
 #define RUBY_RELEASE_MONTH 2