A few weeks after my upgrade from 4.5 to 5.0.2 I have started getting the follow message e-mailed to me. Should I do as it says?

Database errors found.
/opt/zimbra/mysql/bin/mysqlcheck --defaults-file=/opt/zimbra/conf/my.cnf -S /opt/zimbra/db/mysql.sock -A -C -s -u root --password=XXXXXXXXX.
mysql.help_category
error : Table upgrade required. Please do "REPAIR TABLE `help_category`" to fix it!
mysql.help_keyword
error : Table upgrade required. Please do "REPAIR TABLE `help_keyword`" to fix it!
mysql.help_topic
error : Table upgrade required. Please do "REPAIR TABLE `help_topic`" to fix it!
zimbra.config
error : Table upgrade required. Please do "REPAIR TABLE `config`" to fix it!
zimbra.mailbox_metadata
error : Table upgrade required. Please do "REPAIR TABLE `mailbox_metadata`" to fix it!
zimbra.out_of_office
error : Table upgrade required. Please do "REPAIR TABLE `out_of_office`" to fix it!
zimbra.service_status
error : Table upgrade required. Please do "REPAIR TABLE `service_status`" to fix it!
zimbra.table_maintenance
error : Table upgrade required. Please do "REPAIR TABLE `table_maintenance`" to fix it!
zimbra.volume
error : Table upgrade required. Please do "REPAIR TABLE `volume`" to fix it!