change doc for scope

docs/designers-developers/developers/block-api/block-registration.md

@@ -264,7 +264,7 @@ An object describing a variation defined for the block type can contain the foll
 - `attributes` (optional, type `Object`) – Values that override block attributes.
 - `innerBlocks` (optional, type `Array[]`) – Initial configuration of nested blocks.
 - `example` (optional, type `Object`) – Example provides structured data for the block preview. You can set to `undefined` to disable the preview shown for the block type.
-- `scope` (optional, type `WPBlockVariationScope[]`) - the list of scopes where the variation is applicable. When not provided, it assumes all available scopes. Available options:
+- `scope` (optional, type `WPBlockVariationScope[]`) - the list of scopes where the variation is applicable. When not provided, it assumes all available scopes except `transform`. Available options:
 	- `inserter` - Block Variation is shown on the inserter.
 	- `block` - Used by blocks to filter specific block variations. Mostly used in Placeholder patterns like `Columns` block.
 	- `transform` - Block Variation will be shown in the component for Block Variations transformations.