diff --git a/ChangeLog b/ChangeLog
index 540c67eace..5bf1f928c6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun 18 22:08:53 2013  Zachary Scott  <zachary@zacharyscott.net>
+
+	* ext/objspace/object_tracing.c: Return for ::allocation_generation
+
 Tue Jun 18 22:04:35 2013  Zachary Scott  <zachary@zacharyscott.net>
 
 	* ext/objspace/object_tracing.c: Document object_tracing methods.
diff --git a/ext/objspace/object_tracing.c b/ext/objspace/object_tracing.c
index 6816f503bc..134457457e 100644
--- a/ext/objspace/object_tracing.c
+++ b/ext/objspace/object_tracing.c
@@ -302,7 +302,7 @@ allocation_method_id(VALUE objspace, VALUE obj)
 }
 
 /*
- * call-seq: allocation_allocation_generation(object) -> 
+ * call-seq: allocation_generation(object) -> Fixnum
  *
  * Returns garbage collector generation for the given +object+.
  *