another small fix

Author: ffeldhaus

src/StorageGRID-Webscale.psm1

@@ -12371,10 +12371,10 @@ function Global:New-SgwIlmRules {
                 HelpMessage = "Entry against which the metadata values specified by metadataName should be compared. You can specify a list to create multiple filters combined with the filter logical operator.")][ValidateSet("contains","notContains","equals","notEquals","startsWith","notStartsWith","endsWith","notEndsWith","exists","notExists","lessThan","lessThanOrEquals","greaterThan","greaterThanOrEquals")][String[]]$FilterValue,
         [parameter(Mandatory = $False,
                 Position = 11,
-                HelpMessage = "Day when retention starts. You can specify a list to create multiple retention durations.")][Integer[]]$RetentionAfter,
+                HelpMessage = "Day when retention starts. You can specify a list to create multiple retention durations.")][int[]]$RetentionAfter,
         [parameter(Mandatory = $False,
                 Position = 12,
-                HelpMessage = "Number of days object data to be stored at the specified locations. Objects stored forever if null. You can specify a list to create multiple placements.")][Integer[]]$RetentionDuration,
+                HelpMessage = "Number of days object data to be stored at the specified locations. Objects stored forever if null. You can specify a list to create multiple placements.")][int[]]$RetentionDuration,
         [parameter(Mandatory = $False,
                 Position = 13,
                 HelpMessage = "One or more storage pools where object data is saved, specified as comma-separated values. You can specify a list to create multiple placements.")][String[]]$ReplicatedPoolId,