diff --git a/CHANGELOG.md b/CHANGELOG.md
index eef7fe2dc..e0f4c12df 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,6 @@
+* **Build 130** (2014-07-xx)
+  - Added markdown Twig filter `{{ 'I am **markdown**'|md }}`.
+
 * **Build 129** (2014-07-25)
   - Fixes a bug where the active theme is not editable in the back-end.
   - Added a new console command `october:util` for performing utility and maintenance tasks.
diff --git a/modules/system/ServiceProvider.php b/modules/system/ServiceProvider.php
index b74d2e4ee..f8dcb321c 100644
--- a/modules/system/ServiceProvider.php
+++ b/modules/system/ServiceProvider.php
@@ -215,6 +215,7 @@ class ServiceProvider extends ModuleServiceProvider
                 'snake'          => ['Str', 'snake'],
                 'camel'          => ['Str', 'camel'],
                 'studly'         => ['Str', 'studly'],
+                'md'             => ['October\Rain\Support\Markdown', 'parse'],
             ]);
         });