Update index.rst

Author: brianjo

index.rst

@@ -323,7 +323,7 @@ Welcome to PyTorch Tutorials
    :card_description: Learn how to use the TensorBoard plugin to profile and analyze your model's performance.
    :image: _static/img/thumbnails/cropped/profiler.png
    :link: intermediate/tensorboard_profiler_tutorial.html
-   :tags: Model-Optimization,Best-Practice,Profiling
+   :tags: Model-Optimization,Best-Practice,Profiling,Tensorboard
 
 .. customcarditem::
    :header: Hyperparameter Tuning Tutorial