diff --git a/ChangeLog b/ChangeLog
index 3145af7b39..44119a5a70 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Jun 17 09:11:05 2011  Eric Hodel  <drbrain@segment7.net>
+
+	* object.c:  Document Module#method_added and #method_removed.
+	  Patch by Bryce Kerley.  [Ruby 1.9 - Feature #4867]
+
 Fri Jun 17 08:50:16 2011  Eric Hodel  <drbrain@segment7.net>
 
 	* io.c:  Improve documentation of IO and File open and new.
diff --git a/object.c b/object.c
index 850e800fee..9cf925b765 100644
--- a/object.c
+++ b/object.c
@@ -580,6 +580,54 @@ rb_obj_tap(VALUE obj)
  *    New subclass: Baz
  */
 
+/* Document-method: method_added
+ *
+ * call-seq:
+ *   method_added(method_name)
+ *
+ * Invoked as a callback whenever an instance method is added to the
+ * receiver.
+ *
+ *   module Chatty
+ *     def self.method_added(method_name)
+ *       puts "Adding #{method_name.inspect}"
+ *     end
+ *     def self.some_class_method() end
+ *     def some_instance_method() end
+ *   end
+ *
+ * produces:
+ *
+ *   Adding :some_instance_method
+ *
+ */
+
+/* Document-method: method_removed
+ *
+ * call-seq:
+ *   method_removed(method_name)
+ *
+ * Invoked as a callback whenever an instance method is removed from the
+ * receiver.
+ *
+ *   module Chatty
+ *     def self.method_removed(method_name)
+ *       puts "Removing #{method_name.inspect}"
+ *     end
+ *     def self.some_class_method() end
+ *     def some_instance_method() end
+ *     class << self
+ *       remove_method :some_class_method
+ *     end
+ *     remove_method :some_instance_method
+ *   end
+ *
+ * produces:
+ *
+ *   Removing :some_instance_method
+ *
+ */
+
 /*
  * Document-method: singleton_method_added
  *