SteamGridDB: Update helpscreen

Author: sonic2kk

steamtinkerlaunch

@@ -6,7 +6,7 @@
 PREFIX="/usr"
 PROGNAME="SteamTinkerLaunch"
 NICEPROGNAME="Steam Tinker Launch"
-PROGVERS="v14.0.20230112-4 (sgdb-artwork-gui)"
+PROGVERS="v14.0.20230112-5 (sgdb-artwork-gui)"
 PROGCMD="${0##*/}"
 PROGINTERNALPROTNAME="Proton-stl"
 SHOSTL="stl"
@@ -21935,13 +21935,14 @@ function howto {
 	echo "    steamdeckcompat <gameid>         Get information about Steam Deck compatibility for <gameid>"
 	echo "                                       Will work offline if the information has been fetched before"
 	echo "                                       (for 'SteamAppID' or 'last')"
-	echo "    steamgriddb|sgdb <args>          Download most relevant artwork from SteamGridDB based on Steam AppID or SteamGridDB Game ID"
+	echo "    steamgriddb|sgdb <appid/args>    Download most relevant artwork from SteamGridDB based on Steam AppID or SteamGridDB Game ID"
 	echo "                                      Attempts to search for and download hero, logo, and boxart from SteamGridDB, and can optionally"
 	echo "                                      apply this artwork to the game in your Steam library, by giving it the AppID of the game to use"
 	echo "                                      in the filename."
 	echo "                                       This setting uses preferences specified on Global Menu under SteamGridDB options, such as"
 	echo "                                       dimensions, and how to manage existing files (though an override can be specified for how"
 	echo "                                       to manage existing artwork files)."
+	echo "     Pass an AppID instead of the below args to open a GUI for selecting game artwork."
 	echo "      <args>:"
 	echo "      --search-id=                     Steam AppID or SteamGridDB Game ID to search for (ex: AppID 22330 or Game ID 5258102)"
 	echo "      --search-name=                   Search SteamGridDB with a name and return the best-match Game ID, and use --nonsteam automatically."