diff --git a/doc/quickstart.rst b/doc/quickstart.rst
index f39e23adfb..ab52bc58b7 100644
--- a/doc/quickstart.rst
+++ b/doc/quickstart.rst
@@ -439,6 +439,12 @@ to include the MTU size to be used for Docker containers.
      -H fd:// \
      --mtu 1400
 
+.. note::
+
+    Depend of your Docker version and distro, ExecStart command may be different which may cause
+    Docker start failures. The default ExecStart command for your system can be obtained from
+    ``/usr/lib/systemd/system/docker.service``.
+
 .. note::
 
     The MTU size should be less than or equal to the MTU size allowed on the