diff --git a/1.2.0-Milestone-Project-Page.md b/1.2.0-Milestone-Project-Page.md
index f4199a0..f452949 100644
--- a/1.2.0-Milestone-Project-Page.md
+++ b/1.2.0-Milestone-Project-Page.md
@@ -20,7 +20,7 @@
 
 Services can share configuration using the `extends` keyword, which can be used to factor out common configuration between apps or configure the same app for multiple environments.
 
-- [ ] `extends` - [#1088](https://github.com/docker/compose/pull/1088)
+- [x] `extends` - [#1088](https://github.com/docker/compose/pull/1088)
 
 ### Better Swarm integration