Fix link in docs (#6833)

fix

docs/getting_started/customization.rst

@@ -150,7 +150,7 @@ In this tutorial, we show the most common customizations with the `starter examp
     response.print_response_stream()
 
 .. tip::
-    Learn more about streaming `here <../how_to/customization/streaming.html>`_.
+    Learn more about streaming `here <../core_modules/query_modules/query_engine/streaming.html>`_.
 
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