Update create_lxc.sh

tweak

ct/create_lxc.sh

@@ -85,7 +85,7 @@ function select_storage() {
     local STORAGE
     while [ -z "${STORAGE:+x}" ]; do
       STORAGE=$(whiptail --title "Storage Pools" --radiolist \
-        "Which storage pool you would like to use for the ${CONTENT_LABEL,,}?\nTo make a selection, use the Spacebar.\n" \
+        "Which storage pool you would like to use for ${APPLICATION}?\nTo make a selection, use the Spacebar.\n" \
         16 $(($MSG_MAX_LENGTH + 23)) 6 \
         "${MENU[@]}" 3>&1 1>&2 2>&3) || exit "Menu aborted."
     done