diff --git a/library/cloud/docker b/library/cloud/docker
index f97c6988be..9abf63e18a 100644
--- a/library/cloud/docker
+++ b/library/cloud/docker
@@ -134,6 +134,8 @@ options:
     aliases: []
 author: Cove Schneider
 requirements: [ "docker-py" ]
+notes:
+    - Currently supports Docker version <= 0.6.4 only.
 '''
 
 EXAMPLES = '''