diff --git a/ChangeLog b/ChangeLog
index b892cf6664..f7b1f100ad 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon May 13 10:04:22 2013  Zachary Scott  <zachary@zacharyscott.net>
+
+	* random.c: Document Random::DEFAULT by @eLobato [Fixes GH-304]
+
 Sun May 12 21:12:42 2013  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* include/ruby/ruby.h (OFFT2NUM): RUBY_REPLACE_TYPE also defines macro
diff --git a/random.c b/random.c
index da83c2c867..8f8a7f33a8 100644
--- a/random.c
+++ b/random.c
@@ -1494,6 +1494,7 @@ Init_Random(void)
     {
 	VALUE rand_default = TypedData_Wrap_Struct(rb_cRandom, &random_data_type, &default_rand);
 	rb_gc_register_mark_object(rand_default);
+	/* Direct access to Ruby's Pseudorandom number generator (PRNG). */
 	rb_define_const(rb_cRandom, "DEFAULT", rand_default);
     }