Clarify cron job scheduling explanation

Author: denisebmsft

defender-endpoint/linux-update-mde-linux.md

@@ -108,7 +108,9 @@ CRON_TZ=America/Los_Angeles
 > ```
 
 > [!NOTE]
-> In the examples above, we are setting it to 00 minutes, 6 a.m.(hour in 24 hour format), any day of the month, any month, on Sundays.[$(date +\%d) -le 15] == Won't run unless it's equal or less than the 15th day (3rd week). Meaning it will run a job at 6AM every Sunday, but only if the day of the month is 15 or less.
+> In the previous examples, we specified `00` minutes, 6 a.m. (hour using the 24-hour format), any day of the month, any month, on Sundays. 
+> `[$(date +\%d) -le 15]` won't run unless it's equal or less than the 15th day (third week). 
+> This means the job runs at 6 a.m. every Sunday, but only if the day of the month is the 15th or earlier.
 
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