From fe6be5be9a5d990cc97cf1ffb55f8f75926ca05f Mon Sep 17 00:00:00 2001
From: FTC Engineering <ftctechnh@users.noreply.github.com>
Date: Fri, 14 Feb 2020 09:58:10 -0500
Subject: [PATCH] Updated Using Two Expansion Hubs (markdown)

---
 Using-Two-Expansion-Hubs.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Using-Two-Expansion-Hubs.md b/Using-Two-Expansion-Hubs.md
index 0b5f556..5979e6b 100644
--- a/Using-Two-Expansion-Hubs.md
+++ b/Using-Two-Expansion-Hubs.md
@@ -60,6 +60,8 @@ The USB serial number of the Expansion Hub and its currently assigned address sh
 
 Use the dropdown list control on the right hand side to change the address to a non-conflicting value. 
 
+**Important Note:** An address of 1 is typically reserved for a Control Hub.  If you are using two Expansion Hubs with an Android phone Robot Controller, than you should avoid assigning an address of 1 to either Expansion Hub.
+
 <p align="center"><img src="https://github.com/FIRST-Tech-Challenge/WikiSupport/blob/master/ftc_app/images/Advanced/TwoExpansionHubs/NewAddress.jpg" width="175"> </p>
 
 Push the "Done" button to change the address.    You should see a message indicating that the Expansion Hub's address has been changed.