[FE training-materials-updates] labs/buildroot-advanced-packages: improve github discussion

[Thomas Petazzoni]

Repository : git://git.free-electrons.com/training-materials.git

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=b45e20e092c50350e47f48dc79334beae97b75c0

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commit b45e20e092c50350e47f48dc79334beae97b75c0
Author: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>
Date:   Thu Jun 4 02:21:49 2015 +0200

    labs/buildroot-advanced-packages: improve github discussion
    
    Signed-off-by: Thomas Petazzoni <thomas.petazzoni at free-electrons.com>


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b45e20e092c50350e47f48dc79334beae97b75c0
 labs/buildroot-advanced-packages/buildroot-advanced-packages.tex | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/labs/buildroot-advanced-packages/buildroot-advanced-packages.tex b/labs/buildroot-advanced-packages/buildroot-advanced-packages.tex
index 142f882..38b8653 100644
--- a/labs/buildroot-advanced-packages/buildroot-advanced-packages.tex
+++ b/labs/buildroot-advanced-packages/buildroot-advanced-packages.tex
@@ -41,8 +41,12 @@ available on {\em Github} at
 Create an initial package for \code{libfoo} in \code{package/libfoo},
 with the relevant minimal variables to get \code{libfoo} downloaded
 properly. Since it's hosted on {\em Github}, remember to use the
-\code{github} function to define \code{<pkg>_SITE}. Also, notice that
-there is a tagged version \code{v0.1}, you should probably use it.
+\code{github} {\em make} function provided by Buildroot to define
+\code{<pkg>_SITE}. To learn more about this function, \code{grep} for
+it in the Buildroot tree, or read the Buildroot reference manual.
+
+Also, notice that there is a version tagged \code{v0.1} in the Github
+repository, you should probably use it.
 
 Enable the \code{libfoo} package and start the build. You should get
 an error due to the \code{configure} script being missing. What can