1 files changed, 1 insertions, 0 deletions
diff --git a/NetworkPkg/IScsiDxe/IScsiMisc.h b/NetworkPkg/IScsiDxe/IScsiMisc.h
index 28cf408cd5..404a482e57 100644
--- a/NetworkPkg/IScsiDxe/IScsiMisc.h
+++ b/NetworkPkg/IScsiDxe/IScsiMisc.h
@@ -171,6 +171,7 @@ IScsiBinToHex (
 
   @retval EFI_SUCCESS           The hexadecimal string is converted into a
                                 binary encoded buffer.
+  @retval EFI_INVALID_PARAMETER Invalid hex encoding found in HexStr.
   @retval EFI_BUFFER_TOO_SMALL  The binary buffer is too small to hold the
                                 converted data.
 **/