Update examples

Author: mobizt

examples/Messaging/WebClient/fcm.html

@@ -23,7 +23,7 @@ <h3>Instruction</h3>
 
             The web server can be local host e.g. <a href="https://www.apachefriends.org/download.html"
                 target="_blank">XAMMP</a>, <a href="https://www.uniformserver.com/"
-                target="_blank">UiformServer</a>, phython and Node.js.<br /><br />
+                target="_blank">UiformServer</a> or nginx with PHP installed.<br /><br />
 
             When you host the web app on remote server, browser should navigate through the HTTPS protocol
             (https://) because FCM SDK is supported only in pages served over HTTPS.<br /><br />
@@ -56,7 +56,7 @@ <h3>Instruction</h3>
             <b><span id="url2"></span></b> file.<br /><br />
 
             In case you can't download file, you can also create a new <b>firebase-messaging-sw.js</b> by
-            click the <b>Copy SW Content</b> button and paste it to your <b>firebase-messaging-sw.js</b>
+            clicking the <b>Copy SW Content</b> button and paste it to your <b>firebase-messaging-sw.js</b>
             file and save to the root directory.<br /><br />
 
             5. Reload this page and click the <b>Initialize & Get Token</b> button again. Now your web client