diff --git a/ChangeLog b/ChangeLog
index a5300cf319..a9d718fbba 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Oct  4 19:54:09 2013  Zachary Scott  <e@zzak.io>
+
+	* ext/dbm/dbm.c: [DOC] Fix wrong constant name in DBM by @edward
+	  [Fixes GH-409] https://github.com/ruby/ruby/pull/409
+
 Fri Oct  4 19:49:42 2013  Aman Gupta <ruby@tmm1.net>
 
 	* gc.c: rename heap.free_num as heap.swept_num to clarify meaning and
diff --git a/ext/dbm/dbm.c b/ext/dbm/dbm.c
index eb05afc1a4..c77897ece5 100644
--- a/ext/dbm/dbm.c
+++ b/ext/dbm/dbm.c
@@ -1011,7 +1011,7 @@ fdbm_reject(VALUE obj)
  * == Example
  *
  *  require 'dbm'
- *  db = DBM.open('rfcs', 666, DBM::CREATRW)
+ *  db = DBM.open('rfcs', 666, DBM::WRCREAT)
  *  db['822'] = 'Standard for the Format of ARPA Internet Text Messages'
  *  db['1123'] = 'Requirements for Internet Hosts - Application and Support'
  *  db['3068'] = 'An Anycast Prefix for 6to4 Relay Routers'