diff --git a/ZertoApiWrapper/Public/New-ZertoVpg.ps1 b/ZertoApiWrapper/Public/New-ZertoVpg.ps1
index 083d9b9..4d485b6 100644
--- a/ZertoApiWrapper/Public/New-ZertoVpg.ps1
+++ b/ZertoApiWrapper/Public/New-ZertoVpg.ps1
@@ -102,7 +102,7 @@ function New-ZertoVpg {
         )]
         [ValidateRange(60, 864200)][Int32]$rpoInSeconds = 300,
         [Parameter(
-            HelpMessage = "Minimum test interval for this VPG. Valid values are 0: Off, 43200: 1 Month, 131040: 3 Months"
+            HelpMessage = "Minimum test interval for this VPG. Valid values are 0: Off, 43200: 1 Month, 131040: 3 Months, 262080: 6 Months, 294560: 9 Months, 252600: 12 Months"
         )]
         [ValidateSet(0, 43200, 131040, 262080, 294560, 252600)][int]$testIntervalInMinutes = 262080,
         [Parameter(
diff --git a/docs/New-ZertoVpg.md b/docs/New-ZertoVpg.md
index af53eee..507e8b6 100644
--- a/docs/New-ZertoVpg.md
+++ b/docs/New-ZertoVpg.md
@@ -263,7 +263,7 @@ Accept wildcard characters: False
 
 ### -testIntervalInMinutes
 Minimum test interval for this VPG.
-Valid values are 0: Off, 43200: 1 Month, 131040: 3 Months
+Minimum test interval for this VPG. Valid values are 0: Off, 43200: 1 Month, 131040: 3 Months, 262080: 6 Months, 294560: 9 Months, 252600: 12 Months
 
 ```yaml
 Type: Int32