[gnome-user-docs: 1/2] Fix bug 734118 - add note about external files

[Paul Cutler <pcutler src gnome org>]

commit 30e3117311dd0f87da92c1034dc1e945b532fd2b
Author: Paul Cutler <paul r cutler gmail com>
Date:   Wed Apr 12 07:05:40 2017 -0500

    Fix bug 734118 - add note about external files
    
    Fix bug 734118.  Edit note for readability and add sentence:
    "The banner message cannot be read from an external file."

 system-admin-guide/C/login-banner.page |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/system-admin-guide/C/login-banner.page b/system-admin-guide/C/login-banner.page
index a4d30a6..589ab41 100644
--- a/system-admin-guide/C/login-banner.page
+++ b/system-admin-guide/C/login-banner.page
@@ -70,8 +70,9 @@ banner-message-text='<input its:translate="yes">Type the banner message here.</i
   </steps>
 
   <note>
-    <p>You should keep the banner message reasonably short, as longer texts do
-    not fit on the screen.</p>
+    <p>You should keep the banner message short, as longer messages do
+    not fit on the screen. The banner message cannot be read from
+    an external file.</p>
   </note>
 
 </page>