Update Youtube link

Author: Allen Terleto

README.md

@@ -162,7 +162,7 @@ redis-connect\bin> redisconnect.bat start
 
 <table>
     <tr>
-        <td><a href="https://redis.com/webinars/rapid-data-ingestion-with-redis-enterprise"><img src="/images/video-tutorials/Redis Connect Webinar.png" style="float: right;" width="500" height="200"/></a></td> 
+        <td><a href="https://www.youtube.com/watch?v=hQWhPU7y0OU"><img src="/images/video-tutorials/Redis Connect Webinar.png" style="float: right;" width="500" height="200"/></a></td> 
         <td width="50%"><a href="https://asciinema.org/a/492521"><img src="/images/video-tutorials/Redis Connect CLI.png" style="float: right;" width="500" height="200"/></a></td> 
     </tr>
 </table>

examples/db2/demo/README.md

@@ -29,7 +29,7 @@ demo$ ls
 README.md  config  extlib  setup_re.sh  setup_db2.sh
 ```
 
-## Setup Vertica database (Source)
+## Setup DB2 database (Source)
 <br>Execute [setup_db2.sh](setup_db2.sh)</br>
 ```bash
 demo$ ./setup_db2.sh latest 50000