chore: typo

Author: crisbeto

src/lib/core/a11y/focus-trap.spec.ts

@@ -28,7 +28,7 @@ describe('FocusTrap', () => {
 
     it('wrap focus from end to start', () => {
       // Because we can't mimic a real tab press focus change in a unit test, just call the
-      // focus event handlerdiv directly.
+      // focus event handler directly.
       focusTrapInstance.focusFirstTabbableElement();
 
       expect(document.activeElement.nodeName.toLowerCase())