improve inline context comment

Author: davidsword

WordPress-VIP-Go/ruleset.xml

@@ -233,7 +233,7 @@
 		<severity>3</severity>
 	</rule>
 	<rule ref="WordPress.WP.CronInterval">
-		<!-- cron is async on VIP batch containers, high frequency schedules will not impact performance. 60s is cron runner polling rate, so 60s is lowest on VIP -->
+		<!-- cron runs async on VIP's batch containers, so high frequency schedules will not negatively impact performance. Cron runner polling interval is 60s, so make that the min -->
 		<properties>
 			<property name="min_interval" value="60"/>
 		</properties>