diff --git a/index.bs b/index.bs
index fd975a9..39ab65e 100755
--- a/index.bs
+++ b/index.bs
@@ -719,7 +719,7 @@ Files that indicate this brand in the [=FileTypeBox=]
shall comply
Files that conform with these constraints should include the brand [=AVIF Image brand/avif=]
in the [=FileTypeBox=]
.
-Additionally, the brand avio is defined. If the file indicates the brand [=avio=]
in the [=FileTypeBox=]
, then the [=primary image item=] or all the items referenced by the [=primary image item=] shall be [=AV1 image items=] made only of [=Intra Frames=]. Conversely, if the previous constraint applies, the brand [=avio=]
should be used in the [=FileTypeBox=]
.
+Additionally, the brand avio is defined. If the file indicates the brand [=avio=]
in the [=FileTypeBox=]
, then the [=primary image item=] or all the items referenced by the [=primary image item=] shall be [=AV1 image items=] made only of [=Intra Frames=].
AVIF image sequence brands
The brand to identify [=AV1 image sequences=] is avis.
@@ -1325,6 +1325,7 @@ The "Version(s)" column in the following table lists the version(s) of the boxes
- Change structure of optional table of boxes
- Add hidden image item recommendation
- Remove mentions of ftyp compatible_brands
+ - Remove avio brand recommendation
Appendix A: (informative) Sample Transform Derived Image Item Examples