docs: changelogs

Author: bennypowers

.changeset/a11y-controller-opts.md

@@ -9,7 +9,7 @@ the `atFocusedItemIndex` accessor.
 **Before**:
 
 ```ts
-#tabindex = new TabindexController(this);
+#tabindex = new RovingTabindexController(this);
 
 firstUpdated() {
   this.#tabindex.initItems(this.items);
@@ -25,7 +25,7 @@ updated(changed: PropertyValues<this>) {
 **After**:
 
 ```ts
-#tabindex = new TabindexController(this, {
+#tabindex = RovingTabindexController.of(this, {
   getItems: () => this.items,
 });
 

.changeset/activedescendant-controller.md

@@ -7,7 +7,7 @@ This controller implements the [WAI-ARIA activedescendant pattern][pattern]
 for keyboard and screen-reader accessibility.
 
 ```ts
-#activedescentant = ActivedescendantController.of(this, {
+#activedescendant = ActivedescendantController.of(this, {
   getItems: () => this.options,
   getItemsContainer: () => this.#listbox,
   getOrientation: () => 'vertical',