update help

Signed-off-by: Tim Vaillancourt <[email protected]>

go/vt/vttablet/tabletmanager/tm_init.go

@@ -106,7 +106,7 @@ func registerInitFlags(fs *pflag.FlagSet) {
 	fs.Var(&initTags, "init_tags", "(init parameter) comma separated list of key:value pairs used to tag the tablet")
 	fs.DurationVar(&initTimeout, "init_timeout", initTimeout, "(init parameter) timeout to use for the init phase.")
 	fs.DurationVar(&mysqlShutdownTimeout, "mysql-shutdown-timeout", mysqlShutdownTimeout, "timeout to use when MySQL is being shut down.")
-	fs.Var((*topoproto.PromotionRuleFlag)(&promotionRule), "promotion-rule", "Sets the override Promotion Rule for this tablet. Possible values 'none', 'neutral', 'prefer', 'prefer_not' and 'must_not'.  Use 'must_not' with caution as it can lead to issues with reparenting.")
+	fs.Var((*topoproto.PromotionRuleFlag)(&promotionRule), "promotion-rule", "Sets the override Promotion Rule for this tablet. Possible values 'none', 'neutral', 'prefer', 'prefer_not' and 'must_not'. Use 'must_not' with caution as it can lead to issues with reparenting.")
 }
 
 var (