Update readme.md

Event Notes and Recordings/readme.md

-Main Hall Recordings:
+# Main Hall Recordings:
 
-Full Main Hall:
+Full Main Hall Recording:
 
+Individual Speaker Presentations:
 Nuritzi Sanchez and John Coghlan:
 
 Recording: <br>
-Notes: <br>
 [Presentation PDF](https://opensource.ieee.org/workshops/june-tag-workshop/20210616-tag-workshop/-/blob/main/Event%20Notes%20and%20Recordings/Notes/IEEE_TAG_Talk_How_to_develop_an_open_source_mindset.pdf) 
 
 Christopher Litsinger:
@@ -13,11 +13,11 @@ Talk:
 Recording:
 
 
-Session 1 Breakkouts:
+Session 1 Breakouts:
 
-[Security](https://opensource.ieee.org/workshops/june-tag-workshop/20210616-tag-workshop/-/blob/main/Event%20Notes%20and%20Recordings/Breakout%20Recordings/TAG_OS_security_recording.webm) <br>
+### Open source security <br>
 
-Recording: <br>
+[Recording](https://opensource.ieee.org/workshops/june-tag-workshop/20210616-tag-workshop/-/blob/main/Event%20Notes%20and%20Recordings/Breakout%20Recordings/TAG_OS_security_recording.webm) <br>
 Notes: <br>
 
 Production Readiness:
@@ -29,10 +29,10 @@ Session 2 Breakouts:
 
 Marketing:
 
-Recording: <br>
+[Recording](https://opensource.ieee.org/workshops/june-tag-workshop/20210616-tag-workshop/-/blob/main/Event%20Notes%20and%20Recordings/Breakout%20Recordings/TAG_OS_Marketing_recording.webm) <br>
 Notes: <br>
 
 Tool eval:
 
-Recording: <br>
+[Recording](https://opensource.ieee.org/workshops/june-tag-workshop/20210616-tag-workshop/-/blob/main/Event%20Notes%20and%20Recordings/Breakout%20Recordings/TAG_tool_eval_breakout.webm) <br>
 Notes: <br>