chore: fix typo

Author: Naramsim

test/example-sw.html

@@ -16,7 +16,7 @@
       />
     </div>
     <div>
-        The above image is served (once cached) by the local pokeapi-js-wrapper-sw.js. Check it out in the Developer Console (F12) by looking and the Network Panel and also at the Application Panel.
+        The above image is served (once cached) by the local <i>pokeapi-js-wrapper-sw.js</i> SW. Check it out in the Developer Console (F12) by looking at the Network Panel and also at the Application Panel.
     </div>
   </body>
 </html>