dev-manual: Updated the "varname" use to "VARNAME"

This makes the use of this replaceable consistent with the
migration chapter in the ref-manual.

(From yocto-docs rev: 5c2f13f505986d2efc7bfa72c79b933f5a5c5ec1)

Signed-off-by: Scott Rifenbark <srifenbark@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/dev-manual/dev-manual-common-tasks.xml b/documentation/dev-manual/dev-manual-common-tasks.xml
index f926f1d477..7aff0bc0d5 100644
--- a/documentation/dev-manual/dev-manual-common-tasks.xml
+++ b/documentation/dev-manual/dev-manual-common-tasks.xml
@@ -1567,7 +1567,7 @@
                         </note>
                         </para></listitem>
                     <listitem><para><emphasis>Using Variables: <filename>${...}</filename></emphasis> -
-                        Use the <filename>${<replaceable>varname</replaceable>}</filename> syntax to
+                        Use the <filename>${<replaceable>VARNAME</replaceable>}</filename> syntax to
                         access the contents of a variable:
                         <literallayout class='monospaced'>
      SRC_URI = "${SOURCEFORGE_MIRROR}/libpng/zlib-${PV}.tar.gz"