improve docs

Author: evgeniy-scherbina

docs/data-sources/workspace_preset.md

@@ -77,5 +77,5 @@ Required:
 
 Required:
 
-- `cron` (String) A cron expression that defines when this schedule should be active. The cron expression must be in the format "* HOUR * * DAY-OF-WEEK" where HOUR is 0-23 and DAY-OF-WEEK is 0-6 (Sunday-Saturday) or 1-7 (Monday-Sunday). The minute, day-of-month, and month fields must be "*".
+- `cron` (String) A cron expression that defines when this schedule should be active. The cron expression must be in the format "* HOUR * * DAY-OF-WEEK" where HOUR is 0-23 and DAY-OF-WEEK is 0-6 (Sunday-Saturday). The minute, day-of-month, and month fields must be "*".
 - `instances` (Number) The number of prebuild instances to maintain during this schedule period.