diff --git a/ZertoApiWrapper/Public/Get-ZAJournalSiteHistorySummary.ps1 b/ZertoApiWrapper/Public/Get-ZAJournalSiteHistorySummary.ps1
index c749572..b8f2688 100644
--- a/ZertoApiWrapper/Public/Get-ZAJournalSiteHistorySummary.ps1
+++ b/ZertoApiWrapper/Public/Get-ZAJournalSiteHistorySummary.ps1
@@ -3,11 +3,11 @@ function Get-ZAJournalSiteHistorySummary {
     [CmdletBinding()]
     param (
         [Parameter(
-            HelpMessage = "The identifier of the VPG.",
+            HelpMessage = "The identifier of the recovery site.",
             Mandatory
         )]
         [ValidateNotNullOrEmpty()]
-        [string]$vpgIdentifier,
+        [string]$recoverySiteIdentifier,
         [Parameter(
             HelpMessage = "The starting date of the report, in RFC 3339 standard ('1970-01-01T00:00:00Z'). If only the end date is added, the start date by default will be the end date minus 7 days."
         )]
diff --git a/docs/Get-ZAJournalSiteHistorySummary.md b/docs/Get-ZAJournalSiteHistorySummary.md
index e986549..9f18690 100644
--- a/docs/Get-ZAJournalSiteHistorySummary.md
+++ b/docs/Get-ZAJournalSiteHistorySummary.md
@@ -95,7 +95,7 @@ Accept wildcard characters: False
 ```
 
 ### -recoverySiteIdentifier
-The identifier of the VPG.
+The identifier of the recovery site.
 
 ```yaml
 Type: String