diff --git a/railties/guides/source/documents.yaml b/railties/guides/source/documents.yaml
index 1c8d7d284c..2acdcca39c 100644
--- a/railties/guides/source/documents.yaml
+++ b/railties/guides/source/documents.yaml
@@ -100,6 +100,7 @@
       name: Getting Started with Engines
       url: engines.html
       description: This guide explains how to write a mountable engine.
+      work_in_progress: true
     - 
       name: The Rails Initialization Process
       work_in_progress: true