chore: fix typos in some files

src/aria/private/behaviors/grid/grid-selection.ts

@@ -80,7 +80,7 @@ export class GridSelection<T extends GridSelectionCell> {
     );
   }
 
-  /** Whether a cell is selctable. */
+  /** Whether a cell is selectable. */
   isSelectable(cell: T) {
     return cell.selectable() && !cell.disabled();
   }

src/aria/private/behaviors/grid/grid.ts

@@ -329,7 +329,7 @@ export class Grid<T extends GridCell> {
         return true;
       }
 
-      // If the cooridnates no longer valid, go back to the first available cell.
+      // If the coordinates no longer valid, go back to the first available cell.
       if (this.focusBehavior.focusCoordinates(this.navigationBehavior.peekFirst()!)) {
         return true;
       }

src/aria/private/deferred-content/deferred-content.ts

@@ -29,7 +29,7 @@ export class DeferredContentAware {
 
 /**
  * DeferredContent loads/unloads the content based on the visibility.
- * The visibilty signal is sent from a parent directive implements
+ * The visibility signal is sent from a parent directive implements
  * DeferredContentAware.
  *
  * Use this directive as a host directive. For example: