diff --git a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
index 2130b2b43c..44845b0f85 100644
--- a/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
+++ b/SecurityPkg/Library/DxeTcgPhysicalPresenceLib/DxeTcgPhysicalPresenceLib.c
@@ -896,7 +896,7 @@ UserConfirm (
   Check if there is a valid physical presence command request. Also updates parameter value 
   to whether the requested physical presence command already confirmed by user
  
-   @param[in]  TcgProtocol                 EFI TCG Protocol instance. 
+   @param[in]  TcgPpData                 EFI TCG Physical Presence request data. 
    @param[out] RequestConfirmed            If the physical presence operation command required user confirm from UI.
                                              True, it indicates the command doesn't require user confirm, or already confirmed 
                                                    in last boot cycle by user.