diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/AuthService.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/AuthService.c
index 25089ef0f6..07a41b06f8 100644
--- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/AuthService.c
+++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/AuthService.c
@@ -450,6 +450,7 @@ AutenticatedVariableServiceInitialize (
   Add public key in store and return its index.
 
   @param[in]  PubKey                  Input pointer to Public Key data
+  @param[in]  VariableDataEntry       The variable data entry 
 
   @return                             Index of new added item