Fix minor typo in metrics.py (#409)

Summary: Pull Request resolved: #409

Test Plan: N/A

Reviewed By: d4l3k

Differential Revision: D34801162

Pulled By: daniellepintz

fbshipit-source-id: 9efc41e31dc2d0904a9e7df588369c1975d7ecbb

Author: daniellepintz

torchx/components/metrics.py

@@ -6,7 +6,7 @@
 
 """
 For metrics we recommend using Tensorboard to log metrics directly to cloud
-storage along side your model. As the model trains you can use launch a
+storage along side your model. As the model trains you can launch a
 tensorboard instance locally to monitor your model progress:
 
 .. code-block:: shell-session