documentation: clarify specifying a specific package with -e

The -b option is not required to show the environment used to build a
specific package; usually the best practice is to specify the package
name alone.

(From yocto-docs rev: d59772fd7edd76dbc8018479c072badb591601c3)

Signed-off-by: Paul Eggleton <paul.eggleton@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/documentation/poky-ref-manual/usingpoky.xml b/documentation/poky-ref-manual/usingpoky.xml
index 4abe93f146..b36526e919 100644
--- a/documentation/poky-ref-manual/usingpoky.xml
+++ b/documentation/poky-ref-manual/usingpoky.xml
@@ -365,7 +365,8 @@
         <para>
             The <filename>-e</filename> option dumps the resulting environment for
             either the configuration (no package specified) or for a
-            specific package when specified with the <filename>-b</filename> option.
+            specific package when specified; or <filename>-b recipename</filename>
+            to show the environment from parsing a single recipe file only.
         </para>
     </section>