diff --git a/ChangeLog b/ChangeLog
index dc2a45f2d7..9c99edb75e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Wed Jan 28 21:32:24 2015  SHIBATA Hiroshi  <shibata.hiroshi@gmail.com>
+
+	* thread.c: Improve documentation for Thread#value
+	  [Bug #10694][ruby-core:67324][ci skip]
+
 Tue Jan 27 16:04:19 2015  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* tool/redmine-backporter.rb: added `!` command.
diff --git a/thread.c b/thread.c
index 37c7252620..b7056a764d 100644
--- a/thread.c
+++ b/thread.c
@@ -959,10 +959,14 @@ thread_join_m(int argc, VALUE *argv, VALUE self)
  *  call-seq:
  *     thr.value   -> obj
  *
- *  Waits for +thr+ to complete, using #join, and returns its value.
+ *  Waits for +thr+ to complete, using #join, and returns its value or raises
+ *  the exception which terminated the thread.
  *
  *     a = Thread.new { 2 + 2 }
  *     a.value   #=> 4
+ *
+ *     b = Thread.new { raise 'something went wrong' }
+ *     b.value   #=> RuntimeError: something went wrong
  */
 
 static VALUE