diff --git a/VPCodecISOMediaFileFormatBinding.md b/VPCodecISOMediaFileFormatBinding.md
index 3c857e2..264b7da 100644
--- a/VPCodecISOMediaFileFormatBinding.md
+++ b/VPCodecISOMediaFileFormatBinding.md
@@ -140,7 +140,7 @@ unless otherwise noted.
 #### Syntax
 
 ~~~~~
-class VPCodecConfigurationBox extends FullBox('vpcC', version, 1){
+class VPCodecConfigurationBox extends FullBox('vpcC', version = 1, 0) {
       VPCodecConfigurationRecord() vpcConfig;
 }
 
@@ -161,6 +161,9 @@ aligned (8) class VPCodecConfigurationRecord {
 
 #### Semantics
 
+**version** is an integer that specifies the version of this box, should be 1.
+Version 0 is deprecated and should not be used.
+
 **profile** is an integer that specifies the VP codec profile. The value of
 profile MUST be valid for all samples that reference this sample entry, that
 is, profile SHALL be equal to the profile used to encode the sample.