diff --git a/docs/extend/index.md b/docs/extend/index.md
index 71a5f4a3c7..66a0f07f3b 100644
--- a/docs/extend/index.md
+++ b/docs/extend/index.md
@@ -27,6 +27,9 @@ volume drivers, but more plugin driver types will be available in future release
 For information about the legacy plugin system available in Docker Engine 1.12
 and earlier, see [Understand legacy Docker Engine plugins](legacy_plugins.md).
 
+> **Note**: Docker Engine managed plugins are currently not supported
+on Windows daemons.
+
 ## Installing and using a plugin
 
 Plugins are distributed as Docker images and can be hosted on Docker Hub or on