diff --git a/core_functions.sh b/core_functions.sh
index 843dab3..4d0e98e 100644
--- a/core_functions.sh
+++ b/core_functions.sh
@@ -555,13 +555,13 @@ function usage () {
   printf "\n"
 	printf $NORMAL
 	printf "Usage : yggdrasil [options]\n\n"
-  printf " "$BOLDVERT"-f"$NORMAL" : install everything (=a+c+w+d+k)\n"
+  printf " "$BOLDVERT"-f"$NORMAL" : install everything (=a+c+w+d+q)\n"
   printf " "$BOLDVERT"-a"$NORMAL" : install all apps\n"
-  printf " "$BOLDVERT"-c"$NORMAL" : install gtk themes and icons\n"
+  printf " "$BOLDVERT"-c"$NORMAL" : install Themes and Icons\n"
   printf " "$BOLDVERT"-w"$NORMAL" : install Nitrogen + remove desktop management from caja\n"
   printf " "$BOLDVERT"-d"$NORMAL" : install DNS Cache Unbound\n"
   printf " "$BOLDVERT"-q"$NORMAL" : install cardreader apps\n"
-  printf " "$BOLDVERT"-s"$NORMAL" : install Solaar for Logitech devices\n"
+  printf " "$BOLDVERT"-s"$NORMAL" : install Solaar for Logitech Unifying devices\n"
   printf " "$BOLDVERT"-t"$NORMAL" : install TLP for Laptops and low energy usage\n"
   printf " "$BOLDVERT"-n"$NORMAL" : install lastest Nvidia graphic drivers\n"
   printf " "$BOLDVERT"-u"$NORMAL" : update system (apt,snap,...)\n"