Doc btp: changes due to btp2
@@ -577,7 +577,7 @@ Suffixed `(N)` means a nullable value.
### Votes
-> B_LIST of followings
+> B_LIST of followings. Note that this list can have zero or more extension fields after Items field.
| Field | Type | Description |
|:---------------|:------------------------|:---------------------------------------------------------------------------|
@@ -619,8 +619,8 @@ SHA3Sum256([VoteMessage](#votemessage)).
> B_LIST of followings
| Field | Type | Description |
-|:---------------|:-----------|:---------------------------------------------------------------------------|
-| Count | B_INT | Number of block parts |
+|:----------|:-----------|:----------------------------------------------------------------------------|
+| CountWord | B_INT | High 16 bits are extension specific data. Low 16 bits are block part count. |
| Hash | B_BYTES(N) | Hash of block parts |
