Fixes error in teams link

Author: mwray

index.xhtml

@@ -45,7 +45,7 @@ td.labs {vertical-align: top; text-align: left; background: #bbbbee;}
 
       <p><b> PLEASE NOTE: lecture content will be updated, slides below are placeholder and may change until the lecture</b></p>
 
-      If you have any questions, head to the <a href = "https://teams.microsoft.com/l/channel/19%3ALWXnse6nfuQqi6JCGIJkA_LL9E4IATzuWivU5VQQqNo1%40thread.tacv2/General?groupId=c1bcad56-70dc-4e9b-ae72-1aa0f583695d&tenantId=b2e47f30-cd7d-4a4e-a5da-b18cf1a4151b">unit teams</a>.
+      If you have any questions, head to the <a href = "https://teams.microsoft.com/l/channel/19%3ALWXnse6nfuQqi6JCGIJkA_LL9E4IATzuWivU5VQQqNo1%40thread.tacv2/General?groupId=c1bcad56-70dc-4e9b-ae72-1aa0f583695d&amp;tenantId=b2e47f30-cd7d-4a4e-a5da-b18cf1a4151b">unit teams</a>.
 
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