[FE training-materials-updates] Minor clarification in U-Boot lab

[Michael Opdenacker]

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

On branch  : master
Link       : http://git.free-electrons.com/training-materials/commit/?id=dc24e09fbe1adb7f9474b73801be71e57e108f35

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commit dc24e09fbe1adb7f9474b73801be71e57e108f35
Author: Michael Opdenacker <michael.opdenacker at free-electrons.com>
Date:   Mon Dec 8 18:38:06 2014 +0100

    Minor clarification in U-Boot lab
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at free-electrons.com>


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dc24e09fbe1adb7f9474b73801be71e57e108f35
 labs/sysdev-u-boot/sysdev-u-boot.tex | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/labs/sysdev-u-boot/sysdev-u-boot.tex b/labs/sysdev-u-boot/sysdev-u-boot.tex
index e3de7e5..84561cb 100644
--- a/labs/sysdev-u-boot/sysdev-u-boot.tex
+++ b/labs/sysdev-u-boot/sysdev-u-boot.tex
@@ -143,8 +143,9 @@ You can get the list of the supported boards by listing the
 have a bunch of \code{defconfig} files, that are the supported
 combinations. In our case, we will load U-Boot, from NAND flash.
 
-Then, you've found the right \code{defconfig}, load it using
-\code{make <defconfig_name>}, and you can start the compilation using
+Then, you've found the right \code{defconfig} file, load it using
+\code{make <defconfig_filename>} (just the file name, without
+the directory part), and you can start the compilation using
 \code{make}\footnote{You can speed up the compiling by using the
   \code{-jX} option with \code{make}, where X is the number of
   parallel jobs used for compiling. Twice the number of CPU cores is a