[bootlin/training-materials updates] master: Fix details in thirdparty lab (8e7038ff)

[Michael Opdenacker]

Repository : https://github.com/bootlin/training-materials
On branch  : master
Link       : https://github.com/bootlin/training-materials/commit/8e7038ff844d19fa3513c9a739d4254eedfbe0bb

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commit 8e7038ff844d19fa3513c9a739d4254eedfbe0bb
Author: Michael Opdenacker <michael.opdenacker at bootlin.com>
Date:   Mon Aug 3 14:23:17 2020 +0200

    Fix details in thirdparty lab
    
    - ALSA is now the only Linux audio subsystem
    - Ogg is a container, not a codec
    
    Signed-off-by: Michael Opdenacker <michael.opdenacker at bootlin.com>


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8e7038ff844d19fa3513c9a739d4254eedfbe0bb
 labs/sysdev-thirdparty/sysdev-thirdparty.tex | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/labs/sysdev-thirdparty/sysdev-thirdparty.tex b/labs/sysdev-thirdparty/sysdev-thirdparty.tex
index 1f28d433..1b8f23c4 100644
--- a/labs/sysdev-thirdparty/sysdev-thirdparty.tex
+++ b/labs/sysdev-thirdparty/sysdev-thirdparty.tex
@@ -5,7 +5,8 @@
 To illustrate how to use existing libraries and applications, we will
 extend the small root filesystem built in the {\em A tiny embedded
   system} lab to add the {\em ALSA} libraries and tools and an audio
-playback application using these libraries.
+playback application using the {\em ALSA} libraries. {\em ALSA} stands for
+({\em Advanced Linux Sound Architecture}, and is the Linux audio subsystem.
 
 We'll see that manually re-using existing libraries is quite tedious,
 so that more automated procedures are necessary to make it
@@ -41,10 +42,9 @@ of \code{vorbis-tools}, that depend on \code{libao} and
 \code{libvorbis} on \code{libogg}.
 
 \code{libao}, \code{alsa-utils} and \code{alsa-lib} are here
-to abstract the use of \code{ALSA}, one of the Audio Subsystems
-supported in Linux. \code{vorbis-tools}, \code{libvorbis} and
+to abstract the use of {\em ALSA}. \code{vorbis-tools}, \code{libvorbis} and
 \code{libogg} are used to handle the audio files encoded using the Ogg
-codec, which is quite common.
+container and Vorbis codec, which are quite common.
 
 So, we end up with the following dependency tree: