Update index.rst (#1510)

* Update index.rst

Fixes capitalization on TensorBoard.

* Update index.rst

Co-authored-by: Holly Sweeney <[email protected]>

Author: brianjo

index.rst

@@ -319,11 +319,11 @@ Welcome to PyTorch Tutorials
    :tags: Model-Optimization,Best-Practice,Profiling
 
 .. customcarditem::
-   :header: Performance Profiling in Tensorboard
-   :card_description: Learn how to use tensorboard plugin to profile and analyze your model's performance.
+   :header: Performance Profiling in TensorBoard
+   :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