diff --git a/src/ref/basicobject.xml b/src/ref/basicobject.xml
index 52d4323..5d6854e 100644
--- a/src/ref/basicobject.xml
+++ b/src/ref/basicobject.xml
@@ -19,9 +19,19 @@
ObjectBasicObject#instance_execargument{|argument, …| } Yields its arguments to the block, within which self is set to the receiver.
- ObjectBasicObject#method_missingnameargument Called when the receiver is sent a message for which it has no method defined: name is the message selector as a Symbol, and argument(s) the argument(s) it was sent with.
-
FixnumBasicObject#__id__ Returns an identifier for the receiver which distinguishes it from all other active objects.
ObjectBasicObject#__send__nameargument&block Sends a message named name to the receiver with the given argument(s) and block, returning the result.
+
+
+
+ ObjectBasicObject#initializeargument Hook called by Class#new on a newly allocated object, receiving any arguments passed to Class#new.
+
+ ObjectBasicObject#method_missingnameargument Called when the receiver is sent a message for which it has no method defined: name is the message selector as a Symbol, and argument(s) the argument(s) it was sent with.
+
+ ObjectKernel#singleton_method_addedname Hook invoked when a singleton method is added to the receiver, where name is the method’s name as a Symbol.
+
+ ObjectKernel#singleton_method_removedname Hook invoked when a singleton method is removed from the receiver, where name is the method’s name as a Symbol.
+
+ ObjectKernel#singleton_method_undefinedname Hook invoked when a singleton method is undefined in the receiver, where name is the method’s name as a Symbol.