[gnome-user-docs/wip/mdh] add note to bluetooth-send-file, close #46

[Michael Hill <mdhill src gnome org>]

commit 42cfb86d73469d944b6fa2b62d97092c0b0358b5
Author: Michael Hill <mdhillca gmail com>
Date:   Fri Jul 19 14:31:42 2019 -0400

    add note to bluetooth-send-file, close #46

 gnome-help/C/bluetooth-send-file.page | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/gnome-help/C/bluetooth-send-file.page b/gnome-help/C/bluetooth-send-file.page
index 82447fd1..9977aadd 100644
--- a/gnome-help/C/bluetooth-send-file.page
+++ b/gnome-help/C/bluetooth-send-file.page
@@ -13,6 +13,7 @@
     <revision pkgversion="3.12" date="2014-03-23" status="candidate"/>
     <revision pkgversion="3.13" date="2014-09-22" status="candidate"/>
     <revision pkgversion="3.18" date="2015-09-28" status="final"/>
+    <revision pkgversion="3.33" date="2019-07-19" status="candidate"/>
 
     <credit type="author">
       <name>Jim Campbell</name>
@@ -49,6 +50,10 @@
   of files, or specific types of files. You can send files using the Bluetooth
   settings window.</p>
 
+  <note style="important">
+    <p><gui>Send Files</gui> does not work on unsupported devices such as iPhones.</p>
+  </note>
+
   <steps>
     <item>
       <p>Open the <gui xref="shell-introduction#activities">Activities</gui> overview and
@@ -59,7 +64,7 @@
     </item>
     <item>
       <p>Make sure Bluetooth is enabled: the switch in the titlebar should be
-      set to <gui>ON</gui>.</p>
+      set to on.</p>
     </item>
     <item>
       <p>In the <gui>Devices</gui> list, select the device to which to send the