diff --git a/linux/system/repo_local/docker.yml b/linux/system/repo_local/docker.yml
index cd3b514..6254dec 100644
--- a/linux/system/repo_local/docker.yml
+++ b/linux/system/repo_local/docker.yml
@@ -1,3 +1,5 @@
+# DEPRECATED since 2018.7+ release.
+# Please use system/repo/mcp/apt_mirantis
 parameters:
   linux:
     system: