update one more link

Author: james

docs/codeql/support/ql-training.rst

@@ -25,7 +25,7 @@ When you have selected a presentation, use |arrow-r| and |arrow-l| to navigate b
 Press **p** to view the additional notes on slides that have an information icon |info| in the top right corner, and press **f** to enter full-screen mode.
 
 The presentations contain a number of query examples.
-We recommend that you download `CodeQL for Visual Studio Code <https://help.semmle.com/codeql/codeql-for-vscode/procedures/setting-up.html>`__ and add the example database for each presentation so that you can find the bugs mentioned in the slides. 
+We recommend that you download `CodeQL for Visual Studio Code <https://codeql.github.com/docs/codeql-for-visual-studio-code/>`__ and add the example database for each presentation so that you can find the bugs mentioned in the slides. 
 
 
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