Fix typo (#2442)

* Fix typo

* Fix another typo

packages/alpinejs/src/directives/x-on.js

@@ -8,7 +8,7 @@ mapAttributes(startingWith('@', into(prefix('on:'))))
 directive('on', skipDuringClone((el, { value, modifiers, expression }, { cleanup }) => {
     let evaluate = expression ? evaluateLater(el, expression) : () => {}
    
-    // Forward events liseners on portals.
+    // Forward event listeners on portals.
     if (el.tagName.toLowerCase() === 'template') {
         if (! el._x_forwardEvents) el._x_forwardEvents = []
         if (! el._x_forwardEvents.includes(value)) el._x_forwardEvents.push(value)