From 4397a023f8bf738913d71a38b3e06503207311e2 Mon Sep 17 00:00:00 2001
From: Scott Rifenbark <srifenbark@gmail.com>
Date: Fri, 15 Apr 2016 09:14:12 -0700
Subject: bitbake-user-manual: Updated "Conditional Metadata" section

Added information about using lower-case characters and no
underscore characters when using OVERRIDES.

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
---
 doc/bitbake-user-manual/bitbake-user-manual-metadata.xml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml b/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
index 468332276..6329cd6e4 100644
--- a/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
+++ b/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
@@ -379,6 +379,12 @@
                 You can use <filename>OVERRIDES</filename> to conditionally select
                 a specific version of a variable and to conditionally
                 append or prepend the value of a variable.
+                <note>
+                    Overrides can only use lower-case characters.
+                    Additionally, underscores are not permitted in override names
+                    as they are used to separate overrides from each other and
+                    from the variable name.
+                </note>
                 <itemizedlist>
                     <listitem><para><emphasis>Selecting a Variable:</emphasis>
                         The <filename>OVERRIDES</filename> variable is
-- 
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