Update powerwall.sh

powerwall.sh

@@ -78,7 +78,7 @@ CHECKTEMP_SERVICE(){
 					
 				else
 					if [ "$last_temp" > "1" ]; then
-						echo "($datetime) NORMAL TEMP: $temp_f°F" | mail -s "${1} BACK TO NORMAL" $email_alert
+						echo -e "($datetime) NORMAL TEMP: $temp_f°F\nPrevious Temp: $last_temp°F" | mail -s "${1} BACK TO NORMAL" $email_alert
 						echo "alert sent"
 					elif [ "$last_temp" == "0" ]; then
 						echo "NORMAL TEMP: $temp_f°F" | mail -s "${1} TEMP NORMAL" $email_alert;