documentation/poky-ref-manual/ref-structure.xml: Clearer variable ref

There is confusion in the manual regarding shell environment
variables and BitBake environment variables.  I fixed this
instance to specify shell environment variable.

Reported-by: Robert P. J. Day <rpjday@crashcourse.ca>
(From yocto-docs rev: f6cd520323e12124217975cff09d03a6f5e03936)

Signed-off-by: Scott Rifenbark <scott.m.rifenbark@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/documentation/poky-ref-manual/ref-structure.xml b/documentation/poky-ref-manual/ref-structure.xml
index 3af4139151..0886a146b3 100644
--- a/documentation/poky-ref-manual/ref-structure.xml
+++ b/documentation/poky-ref-manual/ref-structure.xml
@@ -34,7 +34,7 @@
             from BitBake itself.
             Consequently, most users do not need to worry about BitBake.
             The <filename>bitbake/bin/</filename> directory is placed 
-            into the <filename>PATH</filename> environment variable by the 
+            into the shell's <filename>PATH</filename> environment variable by the 
             <link linkend="structure-core-script">oe-init-build-env</link> script.
         </para>