diff --git a/scripts/99_software.sh b/scripts/99_software.sh
index 215ab96..5fe662d 100644
--- a/scripts/99_software.sh
+++ b/scripts/99_software.sh
@@ -38,8 +38,8 @@ param_check() {
 # -----
 # always update the system
 # -----
-pacman -Rns $(pacman -Qtdq)
-pacman -Syu
+pacman -Rns $(pacman -Qtdq)     # remove packages that are not needed
+pacman -Syu                     # update install packages
 
 echo "-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-"