Update index.html

Adding link

Author: jschuemann

index.html

@@ -37,7 +37,7 @@ <h3>Welcome to the TOPAS Collaboration official site!</h3>
         <p class="notice"> 
           <b>Virtual User Meeting!</b>
           We will be holding a virtual user meetin on Oct. 21, 11am EST. For more, see:
-          <a href="https://github.com/OpenTOPAS/OpenTOPAS/discussions/167" name="Forum Post #167"> </a> 
+          <a href="https://github.com/OpenTOPAS/OpenTOPAS/discussions/167"Discussion 167> </a> 
         </p>