1 files changed, 3 insertions, 1 deletions
diff --git a/IntelFrameworkPkg/Include/Ppi/DeviceRecoveryModule.h b/IntelFrameworkPkg/Include/Ppi/DeviceRecoveryModule.h
index 1c75509a7d..104270c464 100644
--- a/IntelFrameworkPkg/Include/Ppi/DeviceRecoveryModule.h
+++ b/IntelFrameworkPkg/Include/Ppi/DeviceRecoveryModule.h
@@ -99,7 +99,9 @@ EFI_STATUS
 
   @param[in, out] PeiServices     General-purpose services that are available to every PEIM
   @param[in]      This            Indicates the EFI_PEI_DEVICE_RECOVERY_MODULE_PPI instance.
-  @param[in]      CapsuleInstance Specifies which capsule instance to retrieve.
+  @param[in]      CapsuleInstance Specifies for which capsule instance to retrieve the information.
+                                  This parameter must be between one and the value returned by
+                                  GetNumberRecoveryCapsules() in NumberRecoveryCapsules.
   @param[out]     Buffer          Specifies a caller-allocated buffer in which the requested
                                   recovery capsule will be returned.