Improve S3 upload logging slightly.

backup.sh

@@ -53,7 +53,8 @@ sleep "$BACKUP_WAIT_SECONDS"
 TIME_UPLOAD="0"
 TIME_UPLOADED="0"
 if [ ! -z "$AWS_S3_BUCKET_NAME" ]; then
-  info "Uploading backup"
+  info "Uploading backup to S3"
+  echo "Will upload to bucket \"$AWS_S3_BUCKET_NAME\""
   TIME_UPLOAD="$(date +%s.%N)"
   aws s3 cp --only-show-errors "$BACKUP_FILENAME" "s3://$AWS_S3_BUCKET_NAME/"
   echo "Upload finished"