diff --git a/docs/sources/examples/example_header.inc b/docs/sources/examples/example_header.inc
index 0621b39794..5841141e59 100644
--- a/docs/sources/examples/example_header.inc
+++ b/docs/sources/examples/example_header.inc
@@ -4,4 +4,5 @@
     * This example assumes you have Docker running in daemon mode. For
       more information please see :ref:`running_examples`.
     * **If you don't like sudo** then see :ref:`dockergroup`
+    * **If you're using OS X or docker via TCP** then you shouldn't use `sudo`